APA (7th ed.) Citation

Schmutz, E. M., & Hamilton, L. B. (1979). Plants that poison: An illustrated guide for the American Southwest. Northland Press.

Chicago Style (17th ed.) Citation

Schmutz, Ervin M., and Lucretia Breazeale Hamilton. Plants That Poison: An Illustrated Guide for the American Southwest. Flagstaff, Ariz.: Northland Press, 1979.

MLA (9th ed.) Citation

Schmutz, Ervin M., and Lucretia Breazeale Hamilton. Plants That Poison: An Illustrated Guide for the American Southwest. Northland Press, 1979.