Von Hagen, V. W. (1945). South America called them: Explorations of the great naturalists: La condamine, Humboldt, Darwin, Spruce. New York: A.A. Knopf.
Chicago Style CitationVon Hagen, Victor Wolfgang. South America Called Them: Explorations of the Great Naturalists: La Condamine, Humboldt, Darwin, Spruce. New York: A.A. Knopf, 1945.
MLA CitationVon Hagen, Victor Wolfgang. South America Called Them: Explorations of the Great Naturalists: La Condamine, Humboldt, Darwin, Spruce. New York: A.A. Knopf, 1945.
Warning: These citations may not always be 100% accurate.