The complete score as a PDF file

Chicago citation style
Conrad, Con, Ehrlich, Sam. The complete score as a PDF file. 1918. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/p16614coll23/id/485. (Accessed December 12, 2018.)
APA citation style
Conrad, Con, Ehrlich, Sam, (1918) The complete score as a PDF file. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/p16614coll23/id/485
MLA citation style
Conrad, Con, Ehrlich, Sam. Retrieved from the Digital Public Library of America <http://www.idaillinois.org/cdm/ref/collection/p16614coll23/id/485>.
Note: These citations are programmatically generated and may be incomplete.