APA (7th ed.) Citation

Humboldt, A. v., Bonpland, A. d., & Williams, H. M. (1971). Personal narrative of travels to the equinoctial regions of the New continent during the years 1799-1824 [i.e. 1804]. Theatrum Orbis Terrarum; Da Capo Press.

Chicago Style (17th ed.) Citation

Humboldt, Alexander von, Aime de Bonpland, and Helen Maria Williams. Personal Narrative of Travels to the Equinoctial Regions of the New Continent During the Years 1799-1824 [i.e. 1804]. Amsterdam, New York: Theatrum Orbis Terrarum; Da Capo Press, 1971.

MLA (8th ed.) Citation

Humboldt, Alexander von, et al. Personal Narrative of Travels to the Equinoctial Regions of the New Continent During the Years 1799-1824 [i.e. 1804]. Theatrum Orbis Terrarum; Da Capo Press, 1971.