APA (7th ed.) Citation

Bolanden, C. v. (2010). Barbarossa; An Historical Novel of the XII Century. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bolanden, Conrad von. Barbarossa; An Historical Novel of the XII Century. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Bolanden, Conrad von. Barbarossa; An Historical Novel of the XII Century. Project Gutenberg, 2010.

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