APA (7th ed.) Citation

Ratzel, F. (1887). Völkerkunde. Bibliographisches Institut.

Chicago Style (17th ed.) Citation

Ratzel, Friedrich. Völkerkunde. Leipzig [u.a.]: Bibliographisches Institut, 1887.

MLA (9th ed.) Citation

Ratzel, Friedrich. Völkerkunde. Bibliographisches Institut, 1887.

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