Cita APA (7a ed.)

Humboldt, F. E. A. (1852). Personal narrative of travels to the Equinoctial regions of America during the years 1799-1804. Henry G. Bohn.

Cita Chicago Style (17a ed.)

Humboldt, Federico Enrique Alejandro. Personal Narrative of Travels to the Equinoctial Regions of America During the Years 1799-1804. London, England, United Kingdom: Henry G. Bohn, 1852.

Cita MLA (9a ed.)

Humboldt, Federico Enrique Alejandro. Personal Narrative of Travels to the Equinoctial Regions of America During the Years 1799-1804. Henry G. Bohn, 1852.