APA
United Nations World Food Conference (Rome (1974)), United Nations World Food Conference (Rome (1974)), . (1974). World food problem. New: York United Nations USA.
Chicago
United Nations World Food Conference (Rome (1974)), United Nations World Food Conference (Rome (1974)), . 1974. World food problem. New: York United Nations USA.
Harvard
United Nations World Food Conference (Rome (1974)), United Nations World Food Conference (Rome (1974)), . (1974). World food problem. New: York United Nations USA.
MLA
United Nations World Food Conference (Rome (1974)), United Nations World Food Conference (Rome (1974)), . World food problem. New: York United Nations USA. 1974.