Cita APA (7a ed.)
Trumbull, C. P. Britannica Book of the Year: 2001. Encyclopaedia Britannica.
Cita estilo Chicago (17a ed.)
Trumbull, Charles P. Britannica Book of the Year: 2001. Chicago, EUA: Encyclopaedia Britannica.
Cita MLA (9a ed.)
Trumbull, Charles P. Britannica Book of the Year: 2001. Encyclopaedia Britannica.
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