APA (7th ed.) Citation

(1974). The NEW encyclopaedia Britannica: In 30 volumes. Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

The NEW Encyclopaedia Britannica: In 30 Volumes. Encyclopaedia Britannica, 1974.

MLA (9th ed.) Citation

The NEW Encyclopaedia Britannica: In 30 Volumes. Encyclopaedia Britannica, 1974.

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