APA (7th ed.) Citation

(2008). My first Britannica vol.13: Reference guide and index. Encyclopaedia Britannica Inc.

Chicago Style (17th ed.) Citation

My First Britannica Vol.13: Reference Guide and Index. Chicago: Encyclopaedia Britannica Inc, 2008.

MLA (9th ed.) Citation

My First Britannica Vol.13: Reference Guide and Index. Encyclopaedia Britannica Inc, 2008.

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