MLA

Ernst, Claus-Peter H. Factors Driving Social Network Site Usage. Springer Fachmedien Wiesbaden, 2015.

APA

Ernst, C. H. (2015). Factors Driving Social Network Site Usage. Springer Fachmedien Wiesbaden.

Chicago

Ernst, Claus-Peter H. Factors Driving Social Network Site Usage. : Springer Fachmedien Wiesbaden, 2015.