APA (7th ed.) Citation

Harkness, K. (1956). The official blue book and encyclopedia of chess. Published for the United States Chess Federation by D. McKay Co..

Chicago Style (17th ed.) Citation

Harkness, Kenneth. The Official Blue Book and Encyclopedia of Chess. New York: Published for the United States Chess Federation by D. McKay Co., 1956.

MLA (9th ed.) Citation

Harkness, Kenneth. The Official Blue Book and Encyclopedia of Chess. Published for the United States Chess Federation by D. McKay Co., 1956.

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