APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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