APA (7th ed.) Citation

Geological Survey (U.S.), National Water-Quality Assessment Program (U.S.), & Grey, K. M. (2012). Selected historic agricultural data important to environmental quality in the United States. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), National Water-Quality Assessment Program (U.S.), and Katia M. Grey. Selected Historic Agricultural Data Important to Environmental Quality in the United States. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 2012.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Selected Historic Agricultural Data Important to Environmental Quality in the United States. U.S. Dept. of the Interior, U.S. Geological Survey, 2012.