APA (7th ed.) Citation

Hinrichs, E. N., & Ping, R. G. (1978). Geologic map of the Wayland quadrangle, Knott and Floyd counties, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hinrichs, E. Neal, and Russell G. Ping. Geologic Map of the Wayland Quadrangle, Knott and Floyd Counties, Kentucky. Reston, Va.: U.S. Geological Survey, 1978.

MLA (9th ed.) Citation

Hinrichs, E. Neal, and Russell G. Ping. Geologic Map of the Wayland Quadrangle, Knott and Floyd Counties, Kentucky. U.S. Geological Survey, 1978.