"Teachers pass picketing school workers."

Chicago citation style
Ligato, Dominic. "Teachers pass picketing school workers.". 1977-09-09. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/31175. (Accessed December 18, 2018.)
APA citation style
Ligato, Dominic, (1977-09-09) "Teachers pass picketing school workers.". Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/31175
MLA citation style
Ligato, Dominic. Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/31175>.
Note: These citations are programmatically generated and may be incomplete.