APA (7th ed.) Citation

Pfeil, H. (1960). Was Sollen Wir Wissen? Paul Pattloch Verlag.

Chicago Style (17th ed.) Citation

Pfeil, Hans. Was Sollen Wir Wissen? Aschaffenburg: Paul Pattloch Verlag, 1960.

MLA (9th ed.) Citation

Pfeil, Hans. Was Sollen Wir Wissen? Paul Pattloch Verlag, 1960.

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