United States. North Cascades Study Team, United States. Department of the Interior, & United States. Department of Agriculture. (1965). The North Cascades: A report to the Secretary of the Interior and the Secretary of Agriculture. U.S. Dept. of the Interior : U.S. Dept. of Agriculture.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United States. North Cascades Study Team, United States. Department of the Interior, và United States. Department of Agriculture. The North Cascades: A Report to the Secretary of the Interior and the Secretary of Agriculture. [Washington, D.C.]: U.S. Dept. of the Interior : U.S. Dept. of Agriculture, 1965.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)United States. North Cascades Study Team, et al. The North Cascades: A Report to the Secretary of the Interior and the Secretary of Agriculture. U.S. Dept. of the Interior : U.S. Dept. of Agriculture, 1965.