APA (7th ed.) Citation

United States. Army Map Service. (1943). The North Pacific: Magnetic disturbances. Cartographic Section, Dissemination Branch.

Chicago Style (17th ed.) Citation

United States. Army Map Service. The North Pacific: Magnetic Disturbances. [U.S.?]: Cartographic Section, Dissemination Branch, 1943.

MLA (9th ed.) Citation

United States. Army Map Service. The North Pacific: Magnetic Disturbances. Cartographic Section, Dissemination Branch, 1943.

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