APA (7th ed.) Citation

Hooper, D., & aWhyld, K. (1992). The Oxford companion to chess (Second edition.). Oxford University Press.

Chicago Style (17th ed.) Citation

Hooper, David, and Ken aWhyld. The Oxford Companion to Chess. Second edition. Oxford [England]: Oxford University Press, 1992.

MLA (9th ed.) Citation

Hooper, David, and Ken aWhyld. The Oxford Companion to Chess. Second edition. Oxford University Press, 1992.