APA (7th ed.) Citation

(2003). The New Encyclopaedia britannica (15a ed.). Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

The New Encyclopaedia Britannica. 15a ed. Chicago: Encyclopaedia Britannica, 2003.

MLA (9th ed.) Citation

The New Encyclopaedia Britannica. 15a ed. Encyclopaedia Britannica, 2003.

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