Cita APA (7a ed.)

Kopel, D. B. (1995). Guns: Who should have them? Prometheus Books.

Cita Chicago Style (17a ed.)

Kopel, David B. Guns: Who Should Have Them? Amherst, NY: Prometheus Books, 1995.

Cita MLA (9a ed.)

Kopel, David B. Guns: Who Should Have Them? Prometheus Books, 1995.