APA (7th ed.) Citation

Clarke, J. I. (1965). Population geography ([1st ed.].). Pergamon Press.

Chicago Style (17th ed.) Citation

Clarke, John Innes. Population Geography. [1st ed.]. Oxford New York: Pergamon Press, 1965.

MLA (9th ed.) Citation

Clarke, John Innes. Population Geography. [1st ed.]. Pergamon Press, 1965.