Cita APA

Humboldt, A. (1852). Personal narrative of travels to the equinoctial regions of America, during the years 1799-1804. London: H.G. Bohn.

Citación estilo Chicago

Humboldt, Alexander. Personal Narrative of Travels to the Equinoctial Regions of America, During the Years 1799-1804. London: H.G. Bohn, 1852.

Cita MLA

Humboldt, Alexander. Personal Narrative of Travels to the Equinoctial Regions of America, During the Years 1799-1804. London: H.G. Bohn, 1852.