APA (7th ed.) Citation

Parrish, F. K. (1975). Keys to water quality indicative organisms of the southeastern United States (2d ed.). Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory, Biological Methods Branch, Aquatics Biology Section.

Chicago Style (17th ed.) Citation

Parrish, Fred K. Keys to Water Quality Indicative Organisms of the Southeastern United States. 2d ed. Cincinnati, Ohio: Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory, Biological Methods Branch, Aquatics Biology Section, 1975.

MLA (9th ed.) Citation

Parrish, Fred K. Keys to Water Quality Indicative Organisms of the Southeastern United States. 2d ed. Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory, Biological Methods Branch, Aquatics Biology Section, 1975.