The gist of mathematics

Chicago citation style
Moore, Justin H. (Justin Hartley), b. 1884. The gist of mathematics. 1946. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000207531. (Accessed October 18, 2018.)
APA citation style
Moore, Justin H. (Justin Hartley), b. 1884, (1946) The gist of mathematics. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000207531
MLA citation style
Moore, Justin H. (Justin Hartley), b. 1884. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/000207531>.
Note: These citations are programmatically generated and may be incomplete.