APA (7th ed.) Citation

Burrows, G. E., & Tyrl, R. J. (2001). Toxic plants of North America. Iowa State University Press.

Chicago Style (17th ed.) Citation

Burrows, George E., and Ronald J. Tyrl. Toxic Plants of North America. Ames: Iowa State University Press, 2001.

MLA (8th ed.) Citation

Burrows, George E., and Ronald J. Tyrl. Toxic Plants of North America. Iowa State University Press, 2001.