APA (7th ed.) Citation

Atmospheric Research and Exposure Assessment Laboratory (U.S.), Hunsaker, C. T., & Carpenter, D. E. (1990). Environmental monitoring and assessment program: Ecological indicators. Atmospheric Research and Exposure Assessment Laboratory, Office of Research and Development, U.S. Environmental Protection Agency.

Chicago Style (17th ed.) Citation

Atmospheric Research and Exposure Assessment Laboratory (U.S.), Carolyn T. Hunsaker, and Dean E. Carpenter. Environmental Monitoring and Assessment Program: Ecological Indicators. Research Triangle Park, N.C.: Atmospheric Research and Exposure Assessment Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1990.

MLA (9th ed.) Citation

Atmospheric Research and Exposure Assessment Laboratory (U.S.), et al. Environmental Monitoring and Assessment Program: Ecological Indicators. Atmospheric Research and Exposure Assessment Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1990.