APA (7th ed.) Citation

Brezonik, P. L. (1973). Nitrogen sources and cycling in natural waters. Office of Research and Development, U.S. Environmental Protection Agency.

Chicago Style (17th ed.) Citation

Brezonik, Patrick L. Nitrogen Sources and Cycling in Natural Waters. Washington, D.C.: Office of Research and Development, U.S. Environmental Protection Agency, 1973.

MLA (9th ed.) Citation

Brezonik, Patrick L. Nitrogen Sources and Cycling in Natural Waters. Office of Research and Development, U.S. Environmental Protection Agency, 1973.