APA (7th ed.) Citation

Howell, A. H. (1911). Birds of Arkansas. Govt. print. off.

Chicago Style (17th ed.) Citation

Howell, Arthur H. Birds of Arkansas. Washington, D.C.: Govt. print. off, 1911.

MLA (9th ed.) Citation

Howell, Arthur H. Birds of Arkansas. Govt. print. off, 1911.