APA
Hallberg M., Spitze R. G. & Ray D. E. (. (1994). Food, agriculture and rural policy into the twenty-first cen. Boulder: Westview Pr.
Chicago
Hallberg Milton, Spitze Robert G.F and Ray Daryll E (eds). 1994. Food, agriculture and rural policy into the twenty-first cen. Boulder: Westview Pr.
Harvard
Hallberg M., Spitze R. G. and Ray D. E. (. (1994). Food, agriculture and rural policy into the twenty-first cen. Boulder: Westview Pr.
MLA
Hallberg Milton, Spitze Robert G.F and Ray Daryll E (eds). Food, agriculture and rural policy into the twenty-first cen. Boulder: Westview Pr. 1994.