APA (7th ed.) Citation

Humboldt, A. v., & Hauff, H. (1860). Alexander von Humboldt's Reise in die Aequinoctial-Gegenden des neuen Continents Alexander von Humboldt's Reise in die Aequinoctial-Gegenden des neuen Continents.

Chicago Style (17th ed.) Citation

Humboldt, Alexander von, and Hermann Hauff. "Alexander Von Humboldt's Reise in Die Aequinoctial-Gegenden Des Neuen Continents." Alexander Von Humboldt's Reise in Die Aequinoctial-Gegenden Des Neuen Continents 1860.

MLA (9th ed.) Citation

Humboldt, Alexander von, and Hermann Hauff. "Alexander Von Humboldt's Reise in Die Aequinoctial-Gegenden Des Neuen Continents." Alexander Von Humboldt's Reise in Die Aequinoctial-Gegenden Des Neuen Continents, 1860.

Warning: These citations may not always be 100% accurate.