APA (7th ed.) Citation

Brown, D. E., & Makings, E. (2014). A guide to North American grasslands. Univ. of Arizona for the Boyce Thompson Southwestern Arboretum.

Chicago Style (17th ed.) Citation

Brown, David E., and Elizabeth Makings. A Guide to North American Grasslands. Superior, Ariz: Univ. of Arizona for the Boyce Thompson Southwestern Arboretum, 2014.

MLA (9th ed.) Citation

Brown, David E., and Elizabeth Makings. A Guide to North American Grasslands. Univ. of Arizona for the Boyce Thompson Southwestern Arboretum, 2014.