Cita APA (7th ed.)
Daume, D. Britannica Book of the Year: 1989. Encyclopaedia Britannica.
Cita Chicago (17th ed.)
Daume, Daphne. Britannica Book of the Year: 1989. Chicago, EUA: Encyclopaedia Britannica.
Cita MLA (9th ed.)
Daume, Daphne. Britannica Book of the Year: 1989. Encyclopaedia Britannica.
Atenció: Aquestes cites poden no estar 100% correctes.