APA (7th ed.) Citation

Gollwitzer, M., & Jäger, R. S. (2007). Evaluation: Workbook (1. Aufl.). Beltz, PVU.

Chicago Style (17th ed.) Citation

Gollwitzer, Mario, and Reinhold S. Jäger. Evaluation: Workbook. 1. Aufl. Weinheim [u.a.]: Beltz, PVU, 2007.

MLA (9th ed.) Citation

Gollwitzer, Mario, and Reinhold S. Jäger. Evaluation: Workbook. 1. Aufl. Beltz, PVU, 2007.