APA (7th ed.) Citation

Schunk, C. (2019). Sonneberg gestern: 2020.

Chicago Style (17th ed.) Citation

Schunk, Claus. Sonneberg Gestern: 2020. 2019.

MLA (8th ed.) Citation

Schunk, Claus. Sonneberg Gestern: 2020. 2019.

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