Cooke prepares an illustration

Chicago citation style
Unknown. Cooke prepares an illustration. 1939-03-22. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/9294. (Accessed December 14, 2018.)
APA citation style
Unknown, (1939-03-22) Cooke prepares an illustration. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/9294
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/9294>.
Note: These citations are programmatically generated and may be incomplete.