MLA

Bertino, Elisa, and Sorin Adam Matei. Roles, Trust, and Reputation In Social Media Knowledge Markets. Springer International Publishing, 2015.

APA

Bertino, E., & Matei, S. Adam. (2015). Roles, Trust, and Reputation in Social Media Knowledge Markets. Springer International Publishing.

Chicago

Bertino, Elisa, and Sorin Adam Matei. Roles, Trust, and Reputation In Social Media Knowledge Markets. : Springer International Publishing, 2015.