APA-Zitierstil (7. Ausg.)

Knutson, R. D., Penn, J. B., & Flinchbaugh, B. L. (1998). Agricultural and food policy (4th ed.). Prentice Hall.

Chicago-Zitierstil (17. Ausg.)

Knutson, Ronald D., J. B. Penn, und Barry L. Flinchbaugh. Agricultural and Food Policy. 4th ed. Upper Saddle River, N.J: Prentice Hall, 1998.

MLA-Zitierstil (9. Ausg.)

Knutson, Ronald D., et al. Agricultural and Food Policy. 4th ed. Prentice Hall, 1998.