APA

Hopkins R. F., Puchala D. J. & Columbia University Press. (1980). Global food interdependence: challenge to American foreign policy. New York: Columbia University Press.

Chicago

Hopkins Raymond F, Puchala Donald James and Columbia University Press. 1980. Global food interdependence: challenge to American foreign policy. New York: Columbia University Press.

Harvard

Hopkins R. F., Puchala D. J. and Columbia University Press. (1980). Global food interdependence: challenge to American foreign policy. New York: Columbia University Press.

MLA

Hopkins Raymond F, Puchala Donald James and Columbia University Press. Global food interdependence: challenge to American foreign policy. New York: Columbia University Press. 1980.