APA (7th ed.) Citation

Fritz, K. M., Johnson, B. R., & Walters, D. M. (2006). Field operations manual for assessing the hydrologic permanence and ecological condition of headwater streams. United States Environmental Protection Agency, Office of Research and Development.

Chicago Style (17th ed.) Citation

Fritz, Ken M., Brent R. Johnson, and David M. Walters. Field Operations Manual for Assessing the Hydrologic Permanence and Ecological Condition of Headwater Streams. Washington, D.C.: United States Environmental Protection Agency, Office of Research and Development, 2006.

MLA (9th ed.) Citation

Fritz, Ken M., et al. Field Operations Manual for Assessing the Hydrologic Permanence and Ecological Condition of Headwater Streams. United States Environmental Protection Agency, Office of Research and Development, 2006.