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In-Text Citations

Rule Example

In-text citation numbers may accompany text/sentences, figures, tables, and boxes.

 
Citations should take the form of superscript arabic numerals. The control group showed no signs of behaviour change.5
Citations should be placed outside of periods and commas, and inside colons and semicolons.

As Sanchez has noted,12 the results are problematic...

The assessment tool asks the following24:

Citations may be placed at the end of a sentence or within the sentence at relevant positions. A second study5 put into question Patel's argument.6

Citation numbers should be sequential and correspond to the cited source in the reference list.

When more than 2 references are cited at a given place in the text, use hyphens to join the first and last numbers of a series. Further evidence is needed to support a revision to clinical practice.5-8
Use commas without spaces to separate citations that are not sequential. Smith et al have reported on results from various surveys.8,15,35
Avoid placing a superscript right after a number or unit of measure to reduce confusion between the reference and an exponent.

Avoid: A normal platelet count ranges from 150,000 to 450,000 mcL.14

Better: A normal platelet count14 ranges from 150,000 to 450,000 mcL.

If quoting a passage or if referencing a specific page, you may include page numbers after the superscript citation number.

Emergency room wait times improve with "dedicated system administration support and resources."54(p2)

Lakić9(pp16-18) found that flight nurses require ongoing counseling to provide patient care in high-pressure scenarios.

When citing a source that has already been cited elsewhere in the text, use the original superscript numeral again. Do not assign a new number.