APA (7th ed.) Citation

(1996). The syntopicon: An index to the great ideas (2nd, 6th print.). Encyclopædia Britannica.

Chicago Style (17th ed.) Citation

The Syntopicon: An Index to the Great Ideas. 2nd, 6th print. Chicago: Encyclopædia Britannica, 1996.

MLA (9th ed.) Citation

The Syntopicon: An Index to the Great Ideas. 2nd, 6th print. Encyclopædia Britannica, 1996.

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