APA (7th ed.) Zitazioa

Cousens, R. (1995). Dynamics of weed populations. U. Pr..

Chicago Style (17th ed.) Zitazioa

Cousens, Roger. Dynamics of Weed Populations. Cambridge: U. Pr., 1995.

MLA (9th ed.) Zitazioa

Cousens, Roger. Dynamics of Weed Populations. U. Pr., 1995.