Hotel Jermyn letterhead, undated

Chicago citation style
Costello, P. W., 1866-1935. Hotel Jermyn letterhead, undated. Retrieved from the Digital Public Library of America, http://digitalservices.scranton.edu/cdm/ref/collection/costello/id/420. (Accessed September 21, 2018.)
APA citation style
Costello, P. W., 1866-1935, Hotel Jermyn letterhead, undated. Retrieved from the Digital Public Library of America, http://digitalservices.scranton.edu/cdm/ref/collection/costello/id/420
MLA citation style
Costello, P. W., 1866-1935. Retrieved from the Digital Public Library of America <http://digitalservices.scranton.edu/cdm/ref/collection/costello/id/420>.
Note: These citations are programmatically generated and may be incomplete.