APA (7th ed.) Citation

Ebert, G., & Rennwald, E. (1991). Die Schmetterlinge Baden-Württembergs. E. Ulmer.

Chicago Style (17th ed.) Citation

Ebert, Günter, and Erwin Rennwald. Die Schmetterlinge Baden-Württembergs. Stuttgart: E. Ulmer, 1991.

MLA (9th ed.) Citation

Ebert, Günter, and Erwin Rennwald. Die Schmetterlinge Baden-Württembergs. E. Ulmer, 1991.

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