Wings over the Americas /
prepared by Forest Service, Southwestern Region.
APA Citation
United States. Dept. of Agriculture., United States. Forest Service. Southwestern Region. (1996). Wings over the Americas. [Washington, D.C.?]: U.S. Dept. of Agriculture.
MLA Citation
United States. Dept. of Agriculture, and United States. Forest Service. Southwestern Region. Wings Over the Americas. [Washington, D.C.?]: U.S. Dept. of Agriculture, 1996.
Warning: These citations may not always be complete (especially for serials).