APA (7th ed.) Citation

Dear, I., & Foot, M. R. D. (1995). The Oxford companion to World War II. Oxford University Press.

Chicago Style (17th ed.) Citation

Dear, Ian, and M. R. D. Foot. The Oxford Companion to World War II. Oxford: Oxford University Press, 1995.

MLA (9th ed.) Citation

Dear, Ian, and M. R. D. Foot. The Oxford Companion to World War II. Oxford University Press, 1995.