APA

Bruffee K. A., . (1993). Collaborative learning: higher education, interdependence, and the authority of knowledge. Baltimore: Johns Hopkins University Press.

Chicago

Bruffee Kenneth A, . 1993. Collaborative learning: higher education, interdependence, and the authority of knowledge. Baltimore: Johns Hopkins University Press.

Harvard

Bruffee K. A., . (1993). Collaborative learning: higher education, interdependence, and the authority of knowledge. Baltimore: Johns Hopkins University Press.

MLA

Bruffee Kenneth A, . Collaborative learning: higher education, interdependence, and the authority of knowledge. Baltimore: Johns Hopkins University Press. 1993.