APA (7th ed.) Citation

Peale, N. V. (1979). Die Kraft positiven Denkens. Oesch.

Chicago Style (17th ed.) Citation

Peale, Norman Vincent. Die Kraft Positiven Denkens. Thalwil-Zürich: Oesch, 1979.

MLA (9th ed.) Citation

Peale, Norman Vincent. Die Kraft Positiven Denkens. Oesch, 1979.