APA (7th ed.) Citation

Schildkraut, J., & Muschert, G. W. (2019). Columbine 20 Years Later and Beyond: Lessons from Tragedy. Praeger.

Chicago Style (17th ed.) Citation

Schildkraut, Jaclyn, and Glenn W. Muschert. Columbine 20 Years Later and Beyond: Lessons from Tragedy. [Erscheinungsort nicht ermittelbar]: Praeger, 2019.

MLA (9th ed.) Citation

Schildkraut, Jaclyn, and Glenn W. Muschert. Columbine 20 Years Later and Beyond: Lessons from Tragedy. Praeger, 2019.