APA (7th ed.) Zitazioa

George, R. A. T. (2010). Vegetable seed production (3a. ed.). CABI.

Chicago Style (17th ed.) Zitazioa

George, Raymond A. T. Vegetable Seed Production. 3a. ed. Oxford: CABI, 2010.

MLA (9th ed.) Zitazioa

George, Raymond A. T. Vegetable Seed Production. 3a. ed. CABI, 2010.