APA (7th ed.) Citation

U.S. Coast and Geodetic Survey & United States. Army Air Forces. (1940). Aeronautical chart: [Alaska]. U.S. Coast and Geodetic Survey.

Chicago Style (17th ed.) Citation

U.S. Coast and Geodetic Survey and United States. Army Air Forces. Aeronautical Chart: [Alaska]. Washington, D.C.: U.S. Coast and Geodetic Survey, 1940.

MLA (8th ed.) Citation

U.S. Coast and Geodetic Survey and United States. Army Air Forces. Aeronautical Chart: [Alaska]. U.S. Coast and Geodetic Survey, 1940.