APA (7th ed.) Citation

Brennecke, B. (1956). Am Tor der Zukunft. Rütten & Loening.

Chicago Style (17th ed.) Citation

Brennecke, Bert. Am Tor Der Zukunft. Berlin: Rütten & Loening, 1956.

MLA (8th ed.) Citation

Brennecke, Bert. Am Tor Der Zukunft. Rütten & Loening, 1956.

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