Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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