APA (7th ed.) Citation

Britannica. (2006). Britannica -Ready Reference Encyclopedia. Encyclopaedia Britanica.

Chicago Style (17th ed.) Citation

Britannica. Britannica -Ready Reference Encyclopedia. New Delhi: Encyclopaedia Britanica, 2006.

MLA (9th ed.) Citation

Britannica. Britannica -Ready Reference Encyclopedia. Encyclopaedia Britanica, 2006.

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