APA (7th ed.) Citation

Simmons, G. F. (1925). Birds of the Austin region. The University of Texas.

Chicago Style (17th ed.) Citation

Simmons, George Finlay. Birds of the Austin Region. Austin: The University of Texas, 1925.

MLA (9th ed.) Citation

Simmons, George Finlay. Birds of the Austin Region. The University of Texas, 1925.