John Cockcroft student drawing of a wall with niche and statue

Chicago citation style
Cockcroft, John. John Cockcroft student drawing of a wall with niche and statue. 1934. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ac/id/1921. (Accessed June 18, 2018.)
APA citation style
Cockcroft, John, (1934) John Cockcroft student drawing of a wall with niche and statue. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ac/id/1921
MLA citation style
Cockcroft, John. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ac/id/1921>.
Note: These citations are programmatically generated and may be incomplete.