Cita APA (7a ed.)

Amazonas (Brazil), World's Columbian Exposition, & Bitancourt, L. B. (1893). The state of Amazon, Brazil. [s.n.].

Cita Chicago Style (17a ed.)

Amazonas (Brazil), World's Columbian Exposition, y Lauro B. Bitancourt. The State of Amazon, Brazil. Chicago: [s.n.], 1893.

Cita MLA (8a ed.)

Amazonas (Brazil), et al. The State of Amazon, Brazil. [s.n.], 1893.