APA (7th ed.) Citation

Schunk, C. (2017). Sonneberg gestern: 2018.

Chicago Style (17th ed.) Citation

Schunk, Claus. Sonneberg Gestern: 2018. 2017.

MLA (8th ed.) Citation

Schunk, Claus. Sonneberg Gestern: 2018. 2017.

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