United States. Environmental Protection Agency. Office of Research and Development, Jackson, L. E., Kurtz, J. C., & Fisher, W. S. (2000). Evaluation guidelines for ecological indicators. U.S. Environmental Protection Agency, Office of Research and Development.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Research and Development, Laura E. Jackson, Janis C. Kurtz, and William S. Fisher. Evaluation Guidelines for Ecological Indicators. Research Triangle Park, NC: U.S. Environmental Protection Agency, Office of Research and Development, 2000.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Research and Development, et al. Evaluation Guidelines for Ecological Indicators. U.S. Environmental Protection Agency, Office of Research and Development, 2000.