APA (7th ed.) Citation

Knutson, R. D., Boehm, W. T., & Penn, J. (1990). Agricultural and food policy (2nd ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Knutson, Ronald D., William T. Boehm, and J.B Penn. Agricultural and Food Policy. 2nd ed. Englewood Cliffs, N.J: Prentice-Hall, 1990.

MLA (9th ed.) Citation

Knutson, Ronald D., et al. Agricultural and Food Policy. 2nd ed. Prentice-Hall, 1990.