APA استشهاد

Cochrane, W. W. (1969). World food problem. Scientific book agency.

استشهاد بنمط شيكاغو

Cochrane, Willard W. World Food Problem. Calcutta: Scientific book agency, 1969.

MLA استشهاد

Cochrane, Willard W. World Food Problem. Scientific book agency, 1969.