APA (7th ed.) Citation

Chang, V., Guetl, C., Kopeinik, S., & Williams, R. (2009). Evaluation of collaborative learning settings in 3D virtual worlds. Kassel University Press GmbH.

Chicago Style (17th ed.) Citation

Chang, Vanessa, Christian Guetl, S. Kopeinik, and Robert Williams. Evaluation of Collaborative Learning Settings in 3D Virtual Worlds. Kassel University Press GmbH, 2009.

MLA (9th ed.) Citation

Chang, Vanessa, et al. Evaluation of Collaborative Learning Settings in 3D Virtual Worlds. Kassel University Press GmbH, 2009.