APA (7th ed.) Citation

Zimdahl, R. L. (1989). Weeds and words: The etymology of the scientific names of weeds and crops. Iowa State University Press.

Chicago Style (17th ed.) Citation

Zimdahl, Robert L. Weeds and Words: The Etymology of the Scientific Names of Weeds and Crops. Ames: Iowa State University Press, 1989.

MLA (9th ed.) Citation

Zimdahl, Robert L. Weeds and Words: The Etymology of the Scientific Names of Weeds and Crops. Iowa State University Press, 1989.