APA (7th ed.) Citation

University Of Chicago. (1994). 1994 Britannica Book of the Year ("?".). Encyclopedia Britannica, Inc.

Chicago Style (17th ed.) Citation

University Of Chicago. 1994 Britannica Book of the Year. "?". USA: Encyclopedia Britannica, Inc, 1994.

MLA (9th ed.) Citation

University Of Chicago. 1994 Britannica Book of the Year. "?". Encyclopedia Britannica, Inc, 1994.

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