APA (7th ed.) Citation

(1987). The new encyclopaedia Britannica: Volume 4 (15 Th.). Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

The New Encyclopaedia Britannica: Volume 4. 15 Th. Encyclopaedia Britannica, 1987.

MLA (9th ed.) Citation

The New Encyclopaedia Britannica: Volume 4. 15 Th. Encyclopaedia Britannica, 1987.

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