APA (7th ed.) Citation

Werth, E. (1901). Die Vegetation der Insel Sansibar.

Chicago Style (17th ed.) Citation

Werth, Emil. Die Vegetation Der Insel Sansibar. 1901.

MLA (9th ed.) Citation

Werth, Emil. Die Vegetation Der Insel Sansibar. 1901.

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