Cita APA (7th ed.)
Sparks, K. J. Britannica Book of the Year: 2003. Encyclopaedia Britannica.
Cita Chicago (17th ed.)
Sparks, Karen Jacobs. Britannica Book of the Year: 2003. Chicago, EUA: Encyclopaedia Britannica.
Cita MLA (9th ed.)
Sparks, Karen Jacobs. Britannica Book of the Year: 2003. Encyclopaedia Britannica.
Atenció: Aquestes cites poden no estar 100% correctes.