APA (7th ed.) Citation

(2008). My first Britannica vol. 1: The earth and earth sciences. Encyclopaedia Britannica Inc.

Chicago Style (17th ed.) Citation

My First Britannica Vol. 1: The Earth and Earth Sciences. Chicago: Encyclopaedia Britannica Inc, 2008.

MLA (9th ed.) Citation

My First Britannica Vol. 1: The Earth and Earth Sciences. Encyclopaedia Britannica Inc, 2008.

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