APA (7th ed.) Citation

(1997). 1997 Britannica book of the year. Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

1997 Britannica Book of the Year. Encyclopaedia Britannica, 1997.

MLA (8th ed.) Citation

1997 Britannica Book of the Year. Encyclopaedia Britannica, 1997.

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