APA (7th ed.) Citation

Supf, P., & Orlovius, H. (1932). Die Welt der Flieger. Hobbing.

Chicago Style (17th ed.) Citation

Supf, Peter, and Heinz Orlovius. Die Welt Der Flieger. Berlin: Hobbing, 1932.

MLA (8th ed.) Citation

Supf, Peter, and Heinz Orlovius. Die Welt Der Flieger. Hobbing, 1932.

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