APA (7th ed.) Citation

MacDougall, W. B. (1936). Plants of Yellowstone National Park. United States Gov. Print. Off.

Chicago Style (17th ed.) Citation

MacDougall, Walter Byron. Plants of Yellowstone National Park. Washington: United States Gov. Print. Off, 1936.

MLA (9th ed.) Citation

MacDougall, Walter Byron. Plants of Yellowstone National Park. United States Gov. Print. Off, 1936.

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