Cita APA (7a ed.)

Duwe, G. (2007). Mass murder in the United States: A history. McFarland.

Cita Chicago Style (17a ed.)

Duwe, Grant. Mass Murder in the United States: A History. Jefferson, NC [u.a.]: McFarland, 2007.

Cita MLA (8a ed.)

Duwe, Grant. Mass Murder in the United States: A History. McFarland, 2007.