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AMA 10th Referencing Guide: Cochrane Review

Referencing guide for the 10th Edition for AMA Style

In text numbering

Superscript numbers

The numbers in text are in superscript1 and occur at the end of the clause in which you used the information.  They occur outside “quotation marks,”2 commas,3 (parentheses)4 and full stops.5 However, they occur inside semicolons6; and colons7:

Do not leave a space between the last letter or punctuation mark and the number.

Re-use numbers for the same citation

Citations should be numbered sequentially – that is, the first source you cite is 1, the second source is 2 and so on.

However, once you have given a source a number, it will keep that number throughout your paper. So, if you use your first source again, no matter how often you use it, it is still 1.

Citing more than one work at a time

Use commas to show that more than one work is being cited, and use hyphens for several works that would be numbered sequentially:

These side effects can have implications for the patient's mental health, as numerous studies have shown.1,3,6-9

Relationship between in-text citations and reference list

Your reference list follows the order of the numbers used in the text. The first source you cite in the text is 1 and the reader will look for number 1 in the reference list to find the full citation; the fifth source you use is 5 and the full citation is listed at number 5 in the reference list (and so on).

Using author's names in-text:

If including an author in the text of a sentence, use the surnames of authors and add the citation number after the author’s surname. 

  • For one or two authors list all names
    • Smith1 reported on the survey.
    • Smith and Watson2 reported on the survey.
  • For more than two authors list the first author and follow by et al
    • Smith et al3 reported on the survey. 

Cochrane Reviews

Use this format if:

  • You have a review article from the Cochrane Library of Reviews
  • This format can also be used for other articles published in databases, when the articles are given database numbers rather than page numbers

You will need (minimum information in bold):

  • Author(s)
  • Article title (in sentence case - not in italics)
  • "Journal" Abbreviation (in italics, in Title Case) - specifically:
    Cochrane Database Syst Rev.
  • Year
  • Issue number
  • Document ID number (for example, CD009020.pub2)
  • DOI

 

Cochrane recommends reviews are to be cited as electronic journal articles, and they offer advice for citing the articles on their records.  Note, however, that AMA does not include "Art no." as part of the style.  Instead, place the article number (without "Art no") in the place of the page numbers for a normal journal article.  There is no volume number for Cochrane reviews, so skip straight from the year to the issue number.  Always use the doi instead of a URL for Cochrane reviews:

Examples

  1. Smeeth L, Iliffe S. Community screening for visual impairment in the elderly. Cochrane Database Syst Rev. 2002;(2):CD001054. doi:10.1002/14651858.CD1001054.
  2. Jefferson T, Del Mar CB, Dooley L, et al. Physical interventions to interrupt or reduce the spread of respiratory viruses. Cochrane Database Syst Rev. 2011;(7):CD006207. doi:10.1002/14651858.CD006207.pub4.
  3. Lenza M, Buchbinder R, Takwoingi Y, et al. Magnetic resonance imaging, magnetic resonance arthrography and ultrasonography for assessing rotator cuff tears in people with shoulder pain for whom surgery is being considered. Cochrane Database Syst Rev. 2013;(9):CD009020.pub2. doi:10.1002/14651858.CD009020.pub2.
  4. Spurling GKP, Del Mar CB, Dooley L, Foxlee R, Farley R. Delayed antibiotics for respiratory infections. Cochrane Database Syst Rev. 2013;(4):CD004417. doi:10.1002/14651858.CD004417.pub4.

Multiple Authors - Rules

If there are six authors/editors or less, include the names of all authors/editors.

If there are more than six authors/editors, include the first three names, then shorten with et al.

1.  Hallal AH, Amortegui JD, Jeroukhimov IM, et al. Magnetic resonance cholangiopancreatography accurately detects common bile duct stones in resolving gallstone pancreatitis. J Am Coll Surg. 2005;200(6):869-75.

These rules also apply to editors, translators and other people who need to be cited for the source.

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