Priorities for ecological protection :
an initial list and discussion document for EPA.
APA Citation
United States. Environmental Protection Agency. Office of Research and Development. (1997). Priorities for ecological protection: an initial list and discussion document for EPA. Washington, DC: U.S. Environmental Protection Agency.
MLA Citation
United States. Environmental Protection Agency. Office of Research and Development. Priorities for Ecological Protection: an Initial List And Discussion Document for EPA. Washington, DC: U.S. Environmental Protection Agency, 1997.
Warning: These citations may not always be complete (especially for serials).