APA (7th ed.) Citation

Rewald, R., & Krüger, D. Vier spanische Jungen. Röderberg.

Chicago Style (17th ed.) Citation

Rewald, Ruth, and Dirk Krüger. Vier Spanische Jungen. Köln: Röderberg.

MLA (8th ed.) Citation

Rewald, Ruth, and Dirk Krüger. Vier Spanische Jungen. Röderberg.

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