APA (7th ed.) Citation

Zingel, F. (1931). Was die Welt den Deutschen verdankt. Koehler & Amelang.

Chicago Style (17th ed.) Citation

Zingel, Fritz. Was Die Welt Den Deutschen Verdankt. Leipzig: Koehler & Amelang, 1931.

MLA (9th ed.) Citation

Zingel, Fritz. Was Die Welt Den Deutschen Verdankt. Koehler & Amelang, 1931.

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