APA (7th ed.) Citation

Geological Survey (U.S.), Kentucky Geological Survey, & Trent, V. A. (1965). Geology of the Matewan quadrangle in Kentucky. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Kentucky Geological Survey, and Virgil A. Trent. Geology of the Matewan Quadrangle in Kentucky. Reston, Va.: The Survey, 1965.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geology of the Matewan Quadrangle in Kentucky. The Survey, 1965.