APA (7th ed.) Citation

Humboldt, A. v. (1861). ohneTitel. Cotta.

Chicago Style (17th ed.) Citation

Humboldt, Alexander von. OhneTitel. Stuttgart: Cotta, 1861.

MLA (8th ed.) Citation

Humboldt, Alexander von. OhneTitel. Cotta, 1861.

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