Operating engineers picketing

Chicago citation style
Wasko. Operating engineers picketing. 1971-06-08. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/22223. (Accessed December 16, 2018.)
APA citation style
Wasko, (1971-06-08) Operating engineers picketing. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/22223
MLA citation style
Wasko. Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/22223>.
Note: These citations are programmatically generated and may be incomplete.