APA

Gilliom R. J., Alexander R. B. & Smith R. A. (1985). Pesticides in the nation's rivers, 1975 - 1980, and implications for future monitoring. [Washington, D.C.]: U.S. Gov. Print. Off.

Chicago

Gilliom Robert J, Alexander Richard B and Smith Richard A. 1985. Pesticides in the nation's rivers, 1975 - 1980, and implications for future monitoring. [Washington, D.C.]: U.S. Gov. Print. Off.

Harvard

Gilliom R. J., Alexander R. B. and Smith R. A. (1985). Pesticides in the nation's rivers, 1975 - 1980, and implications for future monitoring. [Washington, D.C.]: U.S. Gov. Print. Off.

MLA

Gilliom Robert J, Alexander Richard B and Smith Richard A. Pesticides in the nation's rivers, 1975 - 1980, and implications for future monitoring. [Washington, D.C.]: U.S. Gov. Print. Off. 1985.