APA (7th ed.) Citation

U.S. Coast and Geodetic Survey. (1940). Triangulation in New Mexico, 1927 datum. [s.n.].

Chicago Style (17th ed.) Citation

U.S. Coast and Geodetic Survey. Triangulation in New Mexico, 1927 Datum. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

U.S. Coast and Geodetic Survey. Triangulation in New Mexico, 1927 Datum. [s.n.], 1940.