MLA

Steiner, Kristian, and Andreas Önnerfors. Expressions of Radicalization. Springer International Publishing, 2018.

APA

Steiner, K., & Önnerfors, A. (2018). Expressions of Radicalization. Springer International Publishing.

Chicago

Steiner, Kristian, and Andreas Önnerfors. Expressions of Radicalization. : Springer International Publishing, 2018.