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ACS Style

How to Format In-Text Citations

Select one of the three methods below to cite in-text references:

Superscript numbers

At the end of the cited information:
Fluoridated water as well as various fluoride products such as toothpaste provide fluoride ions necessary for remineralization.¹

Within the cited information:
Rakita¹ states that fluoridated water as well as various fluoride products such as toothpaste provide fluoride ions necessary for remineralization.


Italic numbers

At the end of the cited information:
Fluoridated water as well as various fluoride products such as toothpaste provide fluoride ions necessary for remineralization (1).

Within the cited information:
Rakita (1) states that fluoridated water as well as various fluoride products such as toothpaste provide fluoride ions necessary for remineralization.


Author name and year of publication

At the end of the cited information:
Fluoridated water as well as various fluoride products such as toothpaste provide fluoride ions necessary for remineralization (Rakita, 2004).

Within the cited information:
Rakita states that fluoridated water as well as various fluoride products such as toothpaste provide fluoride ions necessary for remineralization (2004).

Note: for two authors use "and": Rakita and Smith. For more than two authors use "et al.": Rakita et al.