Men (6) forming a pyramid at the beach.

Chicago citation style
Unknown. Men (6) forming a pyramid at the beach.. Unknown. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll15/id/2834. (Accessed December 10, 2018.)
APA citation style
Unknown, (Unknown) Men (6) forming a pyramid at the beach.. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll15/id/2834
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll15/id/2834>.
Note: These citations are programmatically generated and may be incomplete.