Casting an ominous shadow

Chicago citation style
Doyle, Jerry. Casting an ominous shadow. Circa 1970-1980. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/jdp/id/108. (Accessed December 10, 2018.)
APA citation style
Doyle, Jerry, (Circa 1970-1980) Casting an ominous shadow. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/jdp/id/108
MLA citation style
Doyle, Jerry. Retrieved from the Digital Public Library of America <http://digital.libraries.psu.edu/cdm/ref/collection/jdp/id/108>.
Note: These citations are programmatically generated and may be incomplete.