APA (7th ed.) Citation

Taylor, P. J., & Kearns, G. (1993). Political geography of the twentieth century: A global analysis. Belhaven Press.

Chicago Style (17th ed.) Citation

Taylor, Peter J., and Gerard Kearns. Political Geography of the Twentieth Century: A Global Analysis. London: Belhaven Press, 1993.

MLA (9th ed.) Citation

Taylor, Peter J., and Gerard Kearns. Political Geography of the Twentieth Century: A Global Analysis. Belhaven Press, 1993.