APA (7th ed.) Citation

Water Environment Research Foundation & Butcher, J. B. (1998). Watershed-scale ecological risk assessment: Project 93-IRM-4(A), 1998. Water Environment Research Foundation.

Chicago Style (17th ed.) Citation

Water Environment Research Foundation and Jonathan B. Butcher. Watershed-scale Ecological Risk Assessment: Project 93-IRM-4(A), 1998. Alexandria, VA: Water Environment Research Foundation, 1998.

MLA (9th ed.) Citation

Water Environment Research Foundation and Jonathan B. Butcher. Watershed-scale Ecological Risk Assessment: Project 93-IRM-4(A), 1998. Water Environment Research Foundation, 1998.