APA Style

United States. Department of Agriculture Forest Service, New York., Patterson, Freeman. (). An Ecological Characterizaton of the Greater Yellowstone Area. [computer file]. . : .

Chicago Style

United States. Department of Agriculture Forest Service, New York., Patterson, Freeman. An Ecological Characterizaton of the Greater Yellowstone Area. [computer file].. : , . .

MLA Style

United States. Department of Agriculture Forest Service, New York., Patterson, Freeman. An Ecological Characterizaton of the Greater Yellowstone Area. [computer file].. : , . .

Turabian Style

United States. Department of Agriculture Forest Service, New York., Patterson, Freeman. An Ecological Characterizaton of the Greater Yellowstone Area. [computer file].. : , . .