APA (7th ed.) Citation

Humboldt, A. v., & Selsam, M. E. (1973). Stars, mosquitoes and crocodiles: The American travels of Alexander von Humboldt. Harper & Row.

Chicago Style (17th ed.) Citation

Humboldt, Alexander von, and Millicent E. Selsam. Stars, Mosquitoes and Crocodiles: The American Travels of Alexander Von Humboldt. New York: Harper & Row, 1973.

MLA (9th ed.) Citation

Humboldt, Alexander von, and Millicent E. Selsam. Stars, Mosquitoes and Crocodiles: The American Travels of Alexander Von Humboldt. Harper & Row, 1973.