(1967). Sinn und Form. Rütten & Loening.
Cita Chicago (17th ed.)Sinn Und Form. Berlin: Rütten & Loening, 1967.
Cita MLA (8th ed.)Sinn Und Form. Rütten & Loening, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)