APA (7th ed.) Citation

(1982). The New encyclopaedia Britannica: In 30 volumes (15th ed.). Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

The New Encyclopaedia Britannica: In 30 Volumes. 15th ed. Chicago: Encyclopaedia Britannica, 1982.

MLA (8th ed.) Citation

The New Encyclopaedia Britannica: In 30 Volumes. 15th ed. Encyclopaedia Britannica, 1982.

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