APA (7th ed.) Citation

Gould, F. W. (1951). Grasses of southwestern United States. University of Arizona.

Chicago Style (17th ed.) Citation

Gould, Frank W. Grasses of Southwestern United States. Tucson: University of Arizona, 1951.

MLA (9th ed.) Citation

Gould, Frank W. Grasses of Southwestern United States. University of Arizona, 1951.

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