APA (7th ed.) Citation

Clayton, K. M., & Kormoss, I. B. F. (1971). Western Europe. Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Clayton, K. M., and I. B. F. Kormoss. Western Europe. London [u.a.]: Oxford Univ. Press, 1971.

MLA (9th ed.) Citation

Clayton, K. M., and I. B. F. Kormoss. Western Europe. Oxford Univ. Press, 1971.