Marvin Wachman speaking with students in a classroom

Chicago citation style
Marvin Wachman speaking with students in a classroom. Unknown. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p245801coll0/id/7818. (Accessed December 16, 2018.)
APA citation style
(Unknown) Marvin Wachman speaking with students in a classroom. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p245801coll0/id/7818
MLA citation style
Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p245801coll0/id/7818>.
Note: These citations are programmatically generated and may be incomplete.