APA (7th ed.) Citation

(1999). Encyclopaedia Britannica CD '99: Knowlodge for the information age. Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

Encyclopaedia Britannica CD '99: Knowlodge for the Information Age. Encyclopaedia Britannica, 1999.

MLA (8th ed.) Citation

Encyclopaedia Britannica CD '99: Knowlodge for the Information Age. Encyclopaedia Britannica, 1999.

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