Marvin A. Welsch demonstrates Quotron Machine

Chicago citation style
Schell, Al. Marvin A. Welsch demonstrates Quotron Machine. 1980-09-15. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/61152. (Accessed December 18, 2018.)
APA citation style
Schell, Al, (1980-09-15) Marvin A. Welsch demonstrates Quotron Machine. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/61152
MLA citation style
Schell, Al. Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/61152>.
Note: These citations are programmatically generated and may be incomplete.