MLA

Guin, Dominique; Ruthven, Kenneth; Trouche, Luc, et al. The Didactical Challenge of Symbolic Calculators. Dordrecht: Springer US, 2005.

APA

Guin, L., Guin, D., Ruthven, K., & Trouche, L. (2005). The Didactical Challenge of Symbolic Calculators. Dordrecht: Springer US.

Chicago

Guin, Dominique; Ruthven, Kenneth; Trouche, Luc, Dominique Guin, Kenneth Ruthven, and Luc Trouche. The Didactical Challenge of Symbolic Calculators. Dordrecht: Springer US, 2005.