APA (7th ed.) Citation

Diel, L., & Zeller, L. I. (1941). Mädels im Tropenhelm. Fels-Verlag Dr. Wilhelm Spael KG.

Chicago Style (17th ed.) Citation

Diel, Louise, and Leo IllustratorIn Zeller. Mädels Im Tropenhelm. Essen: Fels-Verlag Dr. Wilhelm Spael KG, 1941.

MLA (8th ed.) Citation

Diel, Louise, and Leo IllustratorIn Zeller. Mädels Im Tropenhelm. Fels-Verlag Dr. Wilhelm Spael KG, 1941.

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