APA (7th ed.) Citation

Geological Survey (U.S.), Watts, K. C., Hinkle, M. E., & Griffitts, W. R. (1994). Summary and interpretive geochemical maps of West Virginia. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), K. C. Watts, Margaret E. Hinkle, and Wallace R. Griffitts. Summary and Interpretive Geochemical Maps of West Virginia. Reston, Va.: The Survey, 1994.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Summary and Interpretive Geochemical Maps of West Virginia. The Survey, 1994.