APA (7th ed.) Citation

U.S. Army Engineer School. (1941). The history and development of sounding with particular reference to precise supersonic-echo sounding methods as recently developed in the U.S. Engineer department.: July, 1940 ... The Engineer school, United States army. U.S. Govt. print. off.

Chicago Style (17th ed.) Citation

U.S. Army Engineer School. The History and Development of Sounding with Particular Reference to Precise Supersonic-echo Sounding Methods as Recently Developed in the U.S. Engineer Department.: July, 1940 ... The Engineer School, United States Army. Washington: U.S. Govt. print. off, 1941.

MLA (9th ed.) Citation

U.S. Army Engineer School. The History and Development of Sounding with Particular Reference to Precise Supersonic-echo Sounding Methods as Recently Developed in the U.S. Engineer Department.: July, 1940 ... The Engineer School, United States Army. U.S. Govt. print. off, 1941.