APA (7th ed.) Citation

Hooper, D., & Whyld, K. (1984). The Oxford companion to chess. Oxford University Press.

Chicago Style (17th ed.) Citation

Hooper, David, and Kenneth Whyld. The Oxford Companion to Chess. Oxford: Oxford University Press, 1984.

MLA (9th ed.) Citation

Hooper, David, and Kenneth Whyld. The Oxford Companion to Chess. Oxford University Press, 1984.