APA (7th ed.) Citation

U.S. Coast and Geodetic Survey. (1940). Supplement to United Coast Coast Pilot, Pacific Coast, (1934 Edition), California, Oregon, and Washington, July 1940. [s.n.].

Chicago Style (17th ed.) Citation

U.S. Coast and Geodetic Survey. Supplement to United Coast Coast Pilot, Pacific Coast, (1934 Edition), California, Oregon, and Washington, July 1940. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

U.S. Coast and Geodetic Survey. Supplement to United Coast Coast Pilot, Pacific Coast, (1934 Edition), California, Oregon, and Washington, July 1940. [s.n.], 1940.