APA (7th ed.) Citation

Pratt, W. P. (1982). Map showing geologic structures in the Rolla 1⁰ x 2⁰ quadrangle, Missouri. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Pratt, Walden P. Map Showing Geologic Structures in the Rolla 1⁰ X 2⁰ Quadrangle, Missouri. Reston, Va.: U.S. Geological Survey, 1982.

MLA (9th ed.) Citation

Pratt, Walden P. Map Showing Geologic Structures in the Rolla 1⁰ X 2⁰ Quadrangle, Missouri. U.S. Geological Survey, 1982.