APA (7th ed.) Citation

Scharff, R. F. (2010). The History of the European Fauna. Project Gutenberg.

Chicago Style (17th ed.) Citation

Scharff, Robert Francis. The History of the European Fauna. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Scharff, Robert Francis. The History of the European Fauna. Project Gutenberg, 2010.

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