"16 phila members of the police force learn to ride horses"

Chicago citation style
Ligato, Dominic. "16 phila members of the police force learn to ride horses". 1972-03-15. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/64618. (Accessed December 9, 2018.)
APA citation style
Ligato, Dominic, (1972-03-15) "16 phila members of the police force learn to ride horses". Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/64618
MLA citation style
Ligato, Dominic. Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/64618>.
Note: These citations are programmatically generated and may be incomplete.