Cita APA (7th ed.)

Aldrich, S. R., Scott, W. O., & Leng, E. R. (1975). Modern corn production (2nd ed.). A & L Publications.

Cita Chicago (17th ed.)

Aldrich, Samuel R., Walter O. Scott, i Earl R. Leng. Modern Corn Production. 2nd ed. Champaign, Ill.: A & L Publications, 1975.

Cita MLA (9th ed.)

Aldrich, Samuel R., et al. Modern Corn Production. 2nd ed. A & L Publications, 1975.

Atenció: Aquestes cites poden no estar 100% correctes.