MLA

Hoppe, H. Ulrich, et al. The Role of Technology In Cscl. Springer US, 2007.

APA

Hoppe, H. Ulrich, Dillenbourg, P., Hoppe, U., Ogata, H., Ogata, H., & Soller, A., Ogata, H., & Soller, A. (2007). The Role of Technology in CSCL. Springer US.

Chicago

Hoppe, H. Ulrich, Pierre Dillenbourg, Ulrich Hoppe, Hiroaki Ogata, Hiroshi Ogata, Amy Soller, H Ogata, and A Soller. The Role of Technology In CSCL. : Springer US, 2007.