APA (7th ed.) Citation

Keene, R. (1991). Duels of the mind: The twelve best games of chess. Macmillan.

Chicago Style (17th ed.) Citation

Keene, Raymond. Duels of the Mind: The Twelve Best Games of Chess. New York: Macmillan, 1991.

MLA (9th ed.) Citation

Keene, Raymond. Duels of the Mind: The Twelve Best Games of Chess. Macmillan, 1991.

Warning: These citations may not always be 100% accurate.