APA (7th ed.) Citation

(1939). Polizei, Feuerwehr, Luftschutz.

Chicago Style (17th ed.) Citation

Polizei, Feuerwehr, Luftschutz. 1939.

MLA (8th ed.) Citation

Polizei, Feuerwehr, Luftschutz. 1939.

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