Cita APA (7a ed.)

(1994). The syntopicon: An index to Great ideas (2nd ed., 5th printing.). Encyclopaedia Britannica.

Cita Chicago Style (17a ed.)

The Syntopicon: An Index to Great Ideas. 2nd ed., 5th printing. Chicago: Encyclopaedia Britannica, 1994.

Cita MLA (9a ed.)

The Syntopicon: An Index to Great Ideas. 2nd ed., 5th printing. Encyclopaedia Britannica, 1994.