MLA

Boccia, Francesco; Leonardi, Robert, and Robert Leonardi. Challenge of the Digital Economy. Springer International Publishing, 2016.

APA

Boccia, R., & Leonardi, R. (2016). Challenge of the Digital Economy. Springer International Publishing.

Chicago

Boccia, Francesco; Leonardi, Robert, and Robert Leonardi. Challenge of the Digital Economy. : Springer International Publishing, 2016.