Some basic concepts of set theory

Chicago citation style
Campbell, Vincent N. Some basic concepts of set theory. [1962]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001068968. (Accessed December 16, 2018.)
APA citation style
Campbell, Vincent N, ([1962]) Some basic concepts of set theory. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001068968
MLA citation style
Campbell, Vincent N. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001068968>.
Note: These citations are programmatically generated and may be incomplete.