APA (7th ed.) Citation

University Of Chicago. (1993). The New Encyclopedia Britannica: Volume 23 (Fifteenth edition - 1993.). Encyclopedia Britannica, Inc.

Chicago Style (17th ed.) Citation

University Of Chicago. The New Encyclopedia Britannica: Volume 23. Fifteenth edition - 1993. USA: Encyclopedia Britannica, Inc, 1993.

MLA (9th ed.) Citation

University Of Chicago. The New Encyclopedia Britannica: Volume 23. Fifteenth edition - 1993. Encyclopedia Britannica, Inc, 1993.

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