APA (7th ed.) Citation

United States. National Park Service. (1990). Winter use plan environmental assessment: Yellowstone and Grand Teton National parks and John D. Rockefeller, Jr., Memorial Parkway : Wyoming, Idaho, and Montana. U.S. Dept. of the Interior, National Park Service.

Chicago Style (17th ed.) Citation

United States. National Park Service. Winter Use Plan Environmental Assessment: Yellowstone and Grand Teton National Parks and John D. Rockefeller, Jr., Memorial Parkway : Wyoming, Idaho, and Montana. [Washington, D.C.?]: U.S. Dept. of the Interior, National Park Service, 1990.

MLA (8th ed.) Citation

United States. National Park Service. Winter Use Plan Environmental Assessment: Yellowstone and Grand Teton National Parks and John D. Rockefeller, Jr., Memorial Parkway : Wyoming, Idaho, and Montana. U.S. Dept. of the Interior, National Park Service, 1990.