APA
Lowry J. H., . (1970). World population and food supply. Paris: Edward Arnold.
Chicago
Lowry J H, . 1970. World population and food supply. Paris: Edward Arnold.
Harvard
Lowry J. H., . (1970). World population and food supply. Paris: Edward Arnold.
MLA
Lowry J H, . World population and food supply. Paris: Edward Arnold. 1970.