Cancer of the colon and rectum

Chicago citation style
Cancer of the colon and rectum. [1991]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/002561187. (Accessed December 14, 2018.)
APA citation style
([1991]) Cancer of the colon and rectum. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/002561187
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/002561187>.
Note: These citations are programmatically generated and may be incomplete.