APA (7th ed.) Citation

Nürnberger, E. (2010). Optimistisch denken. Haufe.

Chicago Style (17th ed.) Citation

Nürnberger, Elke. Optimistisch Denken. Freiburg ; Planegg: Haufe, 2010.

MLA (9th ed.) Citation

Nürnberger, Elke. Optimistisch Denken. Haufe, 2010.

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