APA (7th ed.) Citation

Ertl, B., Fischer, F., & Mandl, H. (2004). Conceptual and socio-cognitive support for collaborative learning in videoconferencing environments. Inst. für Pädag. Psychologie.

Chicago Style (17th ed.) Citation

Ertl, Bernhard, Frank Fischer, and Heinz Mandl. Conceptual and Socio-cognitive Support for Collaborative Learning in Videoconferencing Environments. München: Inst. für Pädag. Psychologie, 2004.

MLA (9th ed.) Citation

Ertl, Bernhard, et al. Conceptual and Socio-cognitive Support for Collaborative Learning in Videoconferencing Environments. Inst. für Pädag. Psychologie, 2004.