APA (7th ed.) Citation

(1937). The Encyclopaedia Britannica. Encyclopædia Britannica, Inc.

Chicago Style (17th ed.) Citation

The Encyclopaedia Britannica. New York: Encyclopædia Britannica, Inc, 1937.

MLA (8th ed.) Citation

The Encyclopaedia Britannica. Encyclopædia Britannica, Inc, 1937.

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