APA Citation

Packard, F. M. (1950). The birds of Rocky Mountain National Park. Estes Park, Colo.: Rocky Mountain Nature Association.

Chicago Style Citation

Packard, Fred Mallery. The Birds of Rocky Mountain National Park. Estes Park, Colo.: Rocky Mountain Nature Association, 1950.

MLA Citation

Packard, Fred Mallery. The Birds of Rocky Mountain National Park. Estes Park, Colo.: Rocky Mountain Nature Association, 1950.

Warning: These citations may not always be 100% accurate.