APA (7th ed.) Citation

Encyclopaedia Britannica, I. (1977). The New encyclopaedia Britannica: V. 12.: Knowledge in depth. Encyclopaedia Britannica, Inc.

Chicago Style (17th ed.) Citation

Encyclopaedia Britannica, Inc. The New Encyclopaedia Britannica: V. 12.: Knowledge in Depth. Encyclopaedia Britannica, Inc, 1977.

MLA (8th ed.) Citation

Encyclopaedia Britannica, Inc. The New Encyclopaedia Britannica: V. 12.: Knowledge in Depth. Encyclopaedia Britannica, Inc, 1977.

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