APA (7th ed.) Citation

U.S. Coast and Geodetic Survey, Heck, N. H., Eckhardt, E. A., & Keiser, M. (1924). Radio acoustic method of position finding in hydrographic surveys. Govt. print. off.

Chicago Style (17th ed.) Citation

U.S. Coast and Geodetic Survey, N. H. Heck, Engelhardt August Eckhardt, and Morris Keiser. Radio Acoustic Method of Position Finding in Hydrographic Surveys. Washington: Govt. print. off, 1924.

MLA (9th ed.) Citation

U.S. Coast and Geodetic Survey, et al. Radio Acoustic Method of Position Finding in Hydrographic Surveys. Govt. print. off, 1924.