Cita APA (7a ed.)

Schwarcz, L. M., & Gledson, J. (2004). The emperor's beard: Dom Pedro II and the tropical monarchy of Brazil (1st American ed.). Hill and Wang.

Cita Chicago Style (17a ed.)

Schwarcz, Lilia Moritz, y John Gledson. The Emperor's Beard: Dom Pedro II and the Tropical Monarchy of Brazil. 1st American ed. New York: Hill and Wang, 2004.

Cita MLA (9a ed.)

Schwarcz, Lilia Moritz, y John Gledson. The Emperor's Beard: Dom Pedro II and the Tropical Monarchy of Brazil. 1st American ed. Hill and Wang, 2004.