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.