A mathematician explains

Chicago citation style
Logsdon, Mayme I. (Mayme Irwin), b. 1887. A mathematician explains. [c1936]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000207613. (Accessed October 20, 2018.)
APA citation style
Logsdon, Mayme I. (Mayme Irwin), b. 1887, ([c1936]) A mathematician explains. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000207613
MLA citation style
Logsdon, Mayme I. (Mayme Irwin), b. 1887. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/000207613>.
Note: These citations are programmatically generated and may be incomplete.