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.
Cita Chicago Style (17a ed.)United States. North Cascades Study Team, United States. Department of the Interior, y 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.
Cita MLA (8a ed.)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.