APA (7th ed.) Citation

Goolsby, D. A., Battaglin, W. A., & Thurman, E. M. (1993). Occurrence and transport of agricultural chemicals in the Mississippi River basin, July through August 1993. U.S. Geological Survey, Map Distribution.

Chicago Style (17th ed.) Citation

Goolsby, Donald A., William A. Battaglin, and E. M. Thurman. Occurrence and Transport of Agricultural Chemicals in the Mississippi River Basin, July Through August 1993. Denver, Colorado: U.S. Geological Survey, Map Distribution, 1993.

MLA (9th ed.) Citation

Goolsby, Donald A., et al. Occurrence and Transport of Agricultural Chemicals in the Mississippi River Basin, July Through August 1993. U.S. Geological Survey, Map Distribution, 1993.