APA (7th ed.) Citation

U.S. Coast and Geodetic Survey. (1928). Radio acoustic position finding. GPO.

Chicago Style (17th ed.) Citation

U.S. Coast and Geodetic Survey. Radio Acoustic Position Finding. [Washington]: GPO, 1928.

MLA (9th ed.) Citation

U.S. Coast and Geodetic Survey. Radio Acoustic Position Finding. GPO, 1928.