Franklin

MLA

Ward, Robert C, and Knud Strange Nielsen. Evaluating the Sampling Frequencies of Water Quality Monitoring Networks. Las Vegas, Nev.: Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory , 1978.

APA

Ward, R. C, & Nielsen, K. Strange. (1978). Evaluating the sampling frequencies of water quality monitoring networks. Las Vegas, Nev.: Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory .

Chicago

Ward, Robert C., and Knud Strange Nielsen. Evaluating the Sampling Frequencies of Water Quality Monitoring Networks. Las Vegas, Nev.: Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory, 1978.