APA (7th ed.) Citation

Diel, L., & Zeller, L. (1942). Mädels im Tropenhelm. Spael.

Chicago Style (17th ed.) Citation

Diel, Louise, and Leo Zeller. Mädels Im Tropenhelm. Essen: Spael, 1942.

MLA (8th ed.) Citation

Diel, Louise, and Leo Zeller. Mädels Im Tropenhelm. Spael, 1942.

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