APA (7th ed.) Citation

Fabiano, E. B., & Jones, W. J. (1976). Magnetic horizontal intensity in the United States - Epoch 1975.0. The Survey.

Chicago Style (17th ed.) Citation

Fabiano, Eugene B., and W. J. Jones. Magnetic Horizontal Intensity in the United States - Epoch 1975.0. Reston, Va.: The Survey, 1976.

MLA (9th ed.) Citation

Fabiano, Eugene B., and W. J. Jones. Magnetic Horizontal Intensity in the United States - Epoch 1975.0. The Survey, 1976.