APA Citation

(1975). New encyclopaedia Britannica (15th ed.). Chicago: Encyclopaedia Britannica.

Chicago Style Citation

New Encyclopaedia Britannica. 15th ed. Chicago: Encyclopaedia Britannica, 1975.

MLA Citation

New Encyclopaedia Britannica. 15th ed. Chicago: Encyclopaedia Britannica, 1975.

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