APA (7th ed.) Citation

Geological Survey (U.S.). (1940). Geophysical Abstracts 96, Jan.-Mar. 1939. [s.n.].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Geophysical Abstracts 96, Jan.-Mar. 1939. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

Geological Survey (U.S.). Geophysical Abstracts 96, Jan.-Mar. 1939. [s.n.], 1940.

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