Cita APA (7th ed.)

George, R. A. T. (1985). Vegetable seed production. Longman.

Cita Chicago (17th ed.)

George, Raymond A. T. Vegetable Seed Production. London ; New York: Longman, 1985.

Cita MLA (8th ed.)

George, Raymond A. T. Vegetable Seed Production. Longman, 1985.