Cita APA (7a ed.)

Steffens, B. (2019). Gun violence and mass shootings. ReferencePoint Press.

Cita Chicago Style (17a ed.)

Steffens, Bradley. Gun Violence and Mass Shootings. San Diego, CA: ReferencePoint Press, 2019.

Cita MLA (8a ed.)

Steffens, Bradley. Gun Violence and Mass Shootings. ReferencePoint Press, 2019.

Precaución: Estas citas no son 100% exactas.