Cita APA (7th ed.)
Paddock, J. Homicide trends in the United States.
Cita Chicago (17th ed.)
Paddock, John. Homicide Trends in the United States.
Cita MLA (9th ed.)
Paddock, John. Homicide Trends in the United States.
Atenció: Aquestes cites poden no estar 100% correctes.