Cita APA (7th ed.)
Lorenz, O. A., & Maynard, D. N. (1988). Knott's handbook for vegetable growers (3rd ed.). John Wiley & Sons.
Cita Chicago (17th ed.)
Lorenz, Oscar A., i Donald N. Maynard. Knott's Handbook for Vegetable Growers. 3rd ed. New York: John Wiley & Sons, 1988.
Cita MLA (9th ed.)
Lorenz, Oscar A., i Donald N. Maynard. Knott's Handbook for Vegetable Growers. 3rd ed. John Wiley & Sons, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.