APA (7th ed.) Citation

Encyclopaedia Britannica, Inc, & Trumbull, C. P. (2002). 2002 Britannica book of the year: Editor Charles P. Trumbull. Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

Encyclopaedia Britannica, Inc, and Charles P. Trumbull. 2002 Britannica Book of the Year: Editor Charles P. Trumbull. Chicago, Illinois: Encyclopaedia Britannica, 2002.

MLA (9th ed.) Citation

Encyclopaedia Britannica, Inc, and Charles P. Trumbull. 2002 Britannica Book of the Year: Editor Charles P. Trumbull. Encyclopaedia Britannica, 2002.