APA

Zimdahl R. L., . (2010). A history of weed science in the United States. London: Elsevier.

Chicago

Zimdahl Robert L, . 2010. A history of weed science in the United States. London: Elsevier.

Harvard

Zimdahl R. L., . (2010). A history of weed science in the United States. London: Elsevier.

MLA

Zimdahl Robert L, . A history of weed science in the United States. London: Elsevier. 2010.