APA (7th ed.) Citation

Fabiano, E. B., & Peddie, N. W. (1980). Magnetic declination in the United States - epoch 1980. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Fabiano, Eugene B., and Norman W. Peddie. Magnetic Declination in the United States - Epoch 1980. Reston, VA: Dept. of the Interior, U.S. Geological Survey, 1980.

MLA (9th ed.) Citation

Fabiano, Eugene B., and Norman W. Peddie. Magnetic Declination in the United States - Epoch 1980. Dept. of the Interior, U.S. Geological Survey, 1980.