School Shootings

MLA

Böckler, Nils, et al. School Shootings. Dordrecht: Springer New York, 2013.

APA

Böckler, N., Boeckler, N., Seeger, T., Heitmeyer, W., & Sitzer, P. (2013). School Shootings. Dordrecht: Springer New York.

Chicago

Böckler, Nils, Nils Boeckler, Thorsten Seeger, Wilhelm Heitmeyer, and Peter Sitzer. School Shootings. Dordrecht: Springer New York, 2013.