Cita APA (7a ed.)

Flowers, A. S., & Pixley, C. L. (2021). Twenty years of school-based mass shootings in the United States: Columbine to Santa Fe. Lexington Books.

Cita Chicago Style (17a ed.)

Flowers, Angelyn Spaulding, y Cotina Lane Pixley. Twenty Years of School-based Mass Shootings in the United States: Columbine to Santa Fe. Lanham Boulder New York London: Lexington Books, 2021.

Cita MLA (8a ed.)

Flowers, Angelyn Spaulding, y Cotina Lane Pixley. Twenty Years of School-based Mass Shootings in the United States: Columbine to Santa Fe. Lexington Books, 2021.