What is a watershed?

APA Citation

United States. Natural Resources Conservation Service. (1996). What is a watershed? Rev. Sept. 1994, slightly rev. Nov. 1999. [Washington, D.C.]: U.S. Dept. of Agriculture, Natural Resources Conservation Service.

MLA Citation

United States. Natural Resources Conservation Service. What Is a Watershed? Rev. Sept. 1994, slightly rev. Nov. 1999. [Washington, D.C.]: U.S. Dept. of Agriculture, Natural Resources Conservation Service, 1996.

Warning: These citations may not always be complete (especially for serials).