Cita APA (7th ed.)

George, R. A. T. (1999). Vegetable seed production. (2nd ed.). C.B.I..

Cita Chicago (17th ed.)

George, Raymond A. T. Vegetable Seed Production. 2nd ed. New York: C.B.I., 1999.

Cita MLA (9th ed.)

George, Raymond A. T. Vegetable Seed Production. 2nd ed. C.B.I., 1999.

Atenció: Aquestes cites poden no estar 100% correctes.