APA (7th ed.) Citation

(1987). The New Encyclopaedia Britannica (15th ed.). Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

The New Encyclopaedia Britannica. 15th ed. Chicago: Encyclopaedia Britannica, 1987.

MLA (9th ed.) Citation

The New Encyclopaedia Britannica. 15th ed. Encyclopaedia Britannica, 1987.

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