Cita APA (7a ed.)

(2004). Encyclopaedia Britannica 2004 CD: [plus timelines, videos & audio clips] (Standard edition.). Encyclopaedia Britannica Inc..

Cita Chicago Style (17a ed.)

Encyclopaedia Britannica 2004 CD: [plus Timelines, Videos & Audio Clips]. Standard edition. London: Encyclopaedia Britannica Inc., 2004.

Cita MLA (9a ed.)

Encyclopaedia Britannica 2004 CD: [plus Timelines, Videos & Audio Clips]. Standard edition. Encyclopaedia Britannica Inc., 2004.