APA

Gutierrez Alonso M. A., Thalmann D. & Vexo F. (2008). Stepping into virtual reality. New York: Springer.

Chicago

Gutierrez Alonso Mario A, Thalmann Daniel and Vexo Frederic. 2008. Stepping into virtual reality. New York: Springer.

Harvard

Gutierrez Alonso M. A., Thalmann D. and Vexo F. (2008). Stepping into virtual reality. New York: Springer.

MLA

Gutierrez Alonso Mario A, Thalmann Daniel and Vexo Frederic. Stepping into virtual reality. New York: Springer. 2008.