Zimmermann, W. (1960). Beauty which inspires: Preface by Werner Zimmermann. Wissen und Fortschritt.
Cita Chicago (17th ed.)Zimmermann, Werner. Beauty Which Inspires: Preface by Werner Zimmermann. Bern: Wissen und Fortschritt, 1960.
Cita MLA (8th ed.)Zimmermann, Werner. Beauty Which Inspires: Preface by Werner Zimmermann. Wissen und Fortschritt, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.