Take a number; mathematics for the two billion

Chicago citation style
Lieber, Lillian R. (Lillian Rosanoff), 1886-1986. Take a number; mathematics for the two billion. [c1946]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000207095. (Accessed October 19, 2018.)
APA citation style
Lieber, Lillian R. (Lillian Rosanoff), 1886-1986, ([c1946]) Take a number; mathematics for the two billion. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000207095
MLA citation style
Lieber, Lillian R. (Lillian Rosanoff), 1886-1986. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/000207095>.
Note: These citations are programmatically generated and may be incomplete.