Bell Telephone Company first transatlantic phone call

Chicago citation style
Bell Telephone Company first transatlantic phone call. 1927-01-29. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/20201. (Accessed November 15, 2018.)
APA citation style
(1927-01-29) Bell Telephone Company first transatlantic phone call. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/20201
MLA citation style
Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/20201>.
Note: These citations are programmatically generated and may be incomplete.