APA (7th ed.) Citation

Lowry, J. H. (1976). World population and food supply (2nd ed.). E. Arnold.

Chicago Style (17th ed.) Citation

Lowry, J. H. World Population and Food Supply. 2nd ed. London: E. Arnold, 1976.

MLA (9th ed.) Citation

Lowry, J. H. World Population and Food Supply. 2nd ed. E. Arnold, 1976.