APA (7th ed.) Citation

Erickson, R. L., Mosier, E. L., & Viets, J. G. (1978). Generalized geologic and summary geochemical maps of the Rolla 1⁰ x 2⁰ quadrangle, Missouri. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Erickson, Ralph Leroy, Edwin L. Mosier, and J. G. Viets. Generalized Geologic and Summary Geochemical Maps of the Rolla 1⁰ X 2⁰ Quadrangle, Missouri. Reston, Va.: U.S. Geological Survey, 1978.

MLA (9th ed.) Citation

Erickson, Ralph Leroy, et al. Generalized Geologic and Summary Geochemical Maps of the Rolla 1⁰ X 2⁰ Quadrangle, Missouri. U.S. Geological Survey, 1978.