APA Style

Knutson, Ronald D., J.B Penn. (2004). Agriculture and food policy (fifth edition). AMERICA: pearson prentice hall.

Chicago Style

Knutson, Ronald D., J.B Penn. Agriculture and food policy. fifth edition AMERICA: pearson prentice hall, 2004. Text.

MLA Style

Knutson, Ronald D., J.B Penn. Agriculture and food policy. fifth edition AMERICA: pearson prentice hall, 2004. Text.

Turabian Style

Knutson, Ronald D., J.B Penn. Agriculture and food policy. fifth edition AMERICA: pearson prentice hall, 2004. Print.