(1962). Plastik unserer Zeit. Union-Druck.
Cita Chicago (17th ed.)Plastik Unserer Zeit. Halle (Saale): Union-Druck, 1962.
Cita MLA (8th ed.)Plastik Unserer Zeit. Union-Druck, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)