The Roman index of forbidden books

Chicago citation style
Betten, Francis Sales, 1863-1942. The Roman index of forbidden books. 1925. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001166996. (Accessed December 13, 2018.)
APA citation style
Betten, Francis Sales, 1863-1942, (1925) The Roman index of forbidden books. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001166996
MLA citation style
Betten, Francis Sales, 1863-1942. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001166996>.
Note: These citations are programmatically generated and may be incomplete.