On the road to the summit

Chicago citation style
Doyle, Jerry. On the road to the summit. Circa 1960-1970. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/jdp/id/312. (Accessed December 16, 2018.)
APA citation style
Doyle, Jerry, (Circa 1960-1970) On the road to the summit. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/jdp/id/312
MLA citation style
Doyle, Jerry. Retrieved from the Digital Public Library of America <http://digital.libraries.psu.edu/cdm/ref/collection/jdp/id/312>.
Note: These citations are programmatically generated and may be incomplete.