APA (7th ed.) Zitazioa

George, R. A. T. (1999). Vegetable seed production (2a. ed.). CABI.

Chicago Style (17th ed.) Zitazioa

George, Raymond A. T. Vegetable Seed Production. 2a. ed. Nueva York: CABI, 1999.

MLA (9th ed.) Zitazioa

George, Raymond A. T. Vegetable Seed Production. 2a. ed. CABI, 1999.