APA (7th ed.) Citation

Isthmian Canal Commission (U.S.). Bureau of Mapmaking & Lithography. (1905). General map of Canal Zone. Isthmian Canal Commission, Bureau of Mapmaking & Lithography.

Chicago Style (17th ed.) Citation

Isthmian Canal Commission (U.S.). Bureau of Mapmaking & Lithography. General Map of Canal Zone. [Balboa Heights, Canal Zone?]: Isthmian Canal Commission, Bureau of Mapmaking & Lithography, 1905.

MLA (9th ed.) Citation

Isthmian Canal Commission (U.S.). Bureau of Mapmaking & Lithography. General Map of Canal Zone. Isthmian Canal Commission, Bureau of Mapmaking & Lithography, 1905.