Cita APA (7a ed.)

Gordon, R. M. (2003). The American murders of Jack the Ripper. Praeger.

Cita Chicago Style (17a ed.)

Gordon, R. Michael. The American Murders of Jack the Ripper. Westport, Conn. [u.a.]: Praeger, 2003.

Cita MLA (9a ed.)

Gordon, R. Michael. The American Murders of Jack the Ripper. Praeger, 2003.