APA (7th ed.) Citation

Clarke, J. I. (1965). Population geography. Pergamon Press.

Chicago Style (17th ed.) Citation

Clarke, John Innes. Population Geography. Oxford u.a: Pergamon Press, 1965.

MLA (9th ed.) Citation

Clarke, John Innes. Population Geography. Pergamon Press, 1965.

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