Cita APA (7th ed.)

Barkan, S. E. (2001). Criminology: A sociological understanding. Prentice Hall.

Cita Chicago (17th ed.)

Barkan, Steven E. Criminology: A Sociological Understanding. Upper Saddle River, New Jersey: Prentice Hall, 2001.

Cita MLA (9th ed.)

Barkan, Steven E. Criminology: A Sociological Understanding. Prentice Hall, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.