APA (7th ed.) Citation

U.S. Coast and Geodetic Survey. (1940). Bilby Steel Tower for Triangulation, Revise (1940) Edition. [s.n.].

Chicago Style (17th ed.) Citation

U.S. Coast and Geodetic Survey. Bilby Steel Tower for Triangulation, Revise (1940) Edition. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

U.S. Coast and Geodetic Survey. Bilby Steel Tower for Triangulation, Revise (1940) Edition. [s.n.], 1940.

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