APA (7th ed.) Citation

Napp, D. (2007). Dr. Brumm will's wissen. Thienemann.

Chicago Style (17th ed.) Citation

Napp, Daniel. Dr. Brumm Will's Wissen. Stuttgart ; Wien: Thienemann, 2007.

MLA (9th ed.) Citation

Napp, Daniel. Dr. Brumm Will's Wissen. Thienemann, 2007.

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