APA (7th ed.) Citation

Clarke, J. I. (1971). Population geography and the developing countries / (by) John I. Clarke. Pergamon.

Chicago Style (17th ed.) Citation

Clarke, John I. Population Geography and the Developing Countries / (by) John I. Clarke. Oxford: Pergamon, 1971.

MLA (9th ed.) Citation

Clarke, John I. Population Geography and the Developing Countries / (by) John I. Clarke. Pergamon, 1971.

Warning: These citations may not always be 100% accurate.