APA (7th ed.) Citation

(1938). Encyclopaedia Britannica: Book of the year. Encyclopaedia Britannica, Inc.

Chicago Style (17th ed.) Citation

Encyclopaedia Britannica: Book of the Year. Chicago, Ill. [u.a.]: Encyclopaedia Britannica, Inc, 1938.

MLA (8th ed.) Citation

Encyclopaedia Britannica: Book of the Year. Encyclopaedia Britannica, Inc, 1938.

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