Free Library of Philadelphia & Looney, R. F. (1976). Old Philadelphia in early photographs 1839-1914: 215 prints from the collection of the Free Library of Philadelphia. Published in cooperation with the Free Library of Philadelphia by Dover Publications.
Chicago Style (17th ed.) CitationFree Library of Philadelphia and Robert F. Looney. Old Philadelphia in Early Photographs 1839-1914: 215 Prints from the Collection of the Free Library of Philadelphia. New York: Published in cooperation with the Free Library of Philadelphia by Dover Publications, 1976.
MLA (8th ed.) CitationFree Library of Philadelphia and Robert F. Looney. Old Philadelphia in Early Photographs 1839-1914: 215 Prints from the Collection of the Free Library of Philadelphia. Published in cooperation with the Free Library of Philadelphia by Dover Publications, 1976.