Bell Telephone workers vote to strike

Chicago citation style
Bell Telephone workers vote to strike. 1967-05-18. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/1505. (Accessed December 17, 2018.)
APA citation style
(1967-05-18) Bell Telephone workers vote to strike. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/1505
MLA citation style
Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/1505>.
Note: These citations are programmatically generated and may be incomplete.