Blood donors eat cake

Chicago citation style
Unknown. Blood donors eat cake. 1945-07-31. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/13976. (Accessed December 19, 2018.)
APA citation style
Unknown, (1945-07-31) Blood donors eat cake. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/13976
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/13976>.
Note: These citations are programmatically generated and may be incomplete.