APA (7th ed.) Citation

(1999). Encyclopaedia Britannica CD 99: Knowledge for the information age : international version 1999 (10th ed.). Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

Encyclopaedia Britannica CD 99: Knowledge for the Information Age : International Version 1999. 10th ed. [Chicago]: Encyclopaedia Britannica, 1999.

MLA (9th ed.) Citation

Encyclopaedia Britannica CD 99: Knowledge for the Information Age : International Version 1999. 10th ed. Encyclopaedia Britannica, 1999.

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