Horace Babcock and Robert Leighton

Chicago citation style
Horace Babcock and Robert Leighton. 1965-06. Retrieved from the Digital Public Library of America, http://archives-dc.library.caltech.edu/islandora/object/ct1%3A6192. (Accessed December 14, 2018.)
APA citation style
(1965-06) Horace Babcock and Robert Leighton. Retrieved from the Digital Public Library of America, http://archives-dc.library.caltech.edu/islandora/object/ct1%3A6192
MLA citation style
Retrieved from the Digital Public Library of America <http://archives-dc.library.caltech.edu/islandora/object/ct1%3A6192>.
Note: These citations are programmatically generated and may be incomplete.