Gouvêa, F. Q. (2012). Categories A Guide to Groups, Rings, and Fields, 9-16. https://doi.org/10.5948/UPO9781614442110.004
Chicago Style (17th ed.) CitationGouvêa, Fernando Q. "Categories." A Guide to Groups, Rings, and Fields 2012: 9-16. https://doi.org/10.5948/UPO9781614442110.004.
MLA (9th ed.) CitationGouvêa, Fernando Q. "Categories." A Guide to Groups, Rings, and Fields, 2012, pp. 9-16, https://doi.org/10.5948/UPO9781614442110.004.
Warning: These citations may not always be 100% accurate.