John R. Sproule student drawing of a gateway to an artillery school

Chicago citation style
Sproule, John R., 1908-1993. John R. Sproule student drawing of a gateway to an artillery school. 1931. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ac/id/1843. (Accessed October 21, 2018.)
APA citation style
Sproule, John R., 1908-1993, (1931) John R. Sproule student drawing of a gateway to an artillery school. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ac/id/1843
MLA citation style
Sproule, John R., 1908-1993. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ac/id/1843>.
Note: These citations are programmatically generated and may be incomplete.