APA (7th ed.) Citation

Geological Survey (U.S.) & Peddie, N. W. (1992). The magnetic field in the United States, 1990. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Norman W. Peddie. The Magnetic Field in the United States, 1990. Reston, Va.: The Survey, 1992.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Norman W. Peddie. The Magnetic Field in the United States, 1990. The Survey, 1992.

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