APA (7th ed.) Citation

Sommer, J., & Rosteck, O. (2018). Fröhliche Sommerzeit. Eres Edition.

Chicago Style (17th ed.) Citation

Sommer, Johann, and Oliver Rosteck. Fröhliche Sommerzeit. Lilienthal: Eres Edition, 2018.

MLA (9th ed.) Citation

Sommer, Johann, and Oliver Rosteck. Fröhliche Sommerzeit. Eres Edition, 2018.

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