APA (7th ed.) Citation

Clarke, J. I. (1977). Population geography and the developing countries (1st ed., reprint.). Pergamon Press.

Chicago Style (17th ed.) Citation

Clarke, John Innes. Population Geography and the Developing Countries. 1st ed., reprint. Oxford, [etc.]: Pergamon Press, 1977.

MLA (9th ed.) Citation

Clarke, John Innes. Population Geography and the Developing Countries. 1st ed., reprint. Pergamon Press, 1977.