APA (7th ed.) Citation

Britannica.com Inc. (2001). Encyclopaedia Britannica 2001 (Deluxe ed. CD.). Britannica.com.

Chicago Style (17th ed.) Citation

Britannica.com Inc. Encyclopaedia Britannica 2001. Deluxe ed. CD. Chicago: Britannica.com, 2001.

MLA (8th ed.) Citation

Britannica.com Inc. Encyclopaedia Britannica 2001. Deluxe ed. CD. Britannica.com, 2001.

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