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).