APA (7th ed.) Citation

Piper, E. (2015). Die Schuldfrage. 1945.

Chicago Style (17th ed.) Citation

Piper, Ernst. "Die Schuldfrage." 1945 2015.

MLA (8th ed.) Citation

Piper, Ernst. "Die Schuldfrage." 1945, 2015.

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