APA Citation

Wanamaker, J. (1920). Map of the city of Philadelphia. [United States?: s.n..

Chicago Style Citation

Wanamaker, John. Map of the City of Philadelphia. [United States?: s.n., 1920.

MLA Citation

Wanamaker, John. Map of the City of Philadelphia. [United States?: s.n., 1920.

Warning: These citations may not always be 100% accurate.