Scanning disc of the experimental motion picture transmitter in Bell Telephone Laboratories

Chicago citation style
Scanning disc of the experimental motion picture transmitter in Bell Telephone Laboratories. Unknown. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/1514. (Accessed December 10, 2018.)
APA citation style
(Unknown) Scanning disc of the experimental motion picture transmitter in Bell Telephone Laboratories. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/1514
MLA citation style
Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/1514>.
Note: These citations are programmatically generated and may be incomplete.