APA (7th ed.) Citation

Achtenhagen, F., Oser, F. K., & Renold, U. (2009). Teachers' Professional Development: Aims, Modules, Evaluation.

Chicago Style (17th ed.) Citation

Achtenhagen, Frank, Fritz K. Oser, and Ursula Renold. Teachers' Professional Development: Aims, Modules, Evaluation. 2009.

MLA (9th ed.) Citation

Achtenhagen, Frank, et al. Teachers' Professional Development: Aims, Modules, Evaluation. 2009.