Teachers protest sign in the form of a "Report Card"

Chicago citation style
Tinney, Jack. Teachers protest sign in the form of a "Report Card". 1981-09-04. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/31270. (Accessed September 21, 2018.)
APA citation style
Tinney, Jack, (1981-09-04) Teachers protest sign in the form of a "Report Card". Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/31270
MLA citation style
Tinney, Jack. Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/31270>.
Note: These citations are programmatically generated and may be incomplete.