APA (7th ed.) Citation

Guetl, C., Chang, V., Edwards, A., & Boruta, S. (2013). Flexible and Affordable Foreign Language Learning Environment based on Web 2.0 Technologies. Kassel University Press GmbH.

Chicago Style (17th ed.) Citation

Guetl, Christian, Vanessa Chang, A. Edwards, and S. Boruta. Flexible and Affordable Foreign Language Learning Environment Based on Web 2.0 Technologies. Kassel University Press GmbH, 2013.

MLA (9th ed.) Citation

Guetl, Christian, et al. Flexible and Affordable Foreign Language Learning Environment Based on Web 2.0 Technologies. Kassel University Press GmbH, 2013.