Cita APA (7a ed.)

Barnett, A., Kleitman, D. J., & Larson, R. C. (19). On urban homicide: Working paper.

Cita Chicago Style (17a ed.)

Barnett, Arnold, Daniel J. Kleitman, y Richard C. Larson. On Urban Homicide: Working Paper. Cambridge, Mass, 19.

Cita MLA (9a ed.)

Barnett, Arnold, et al. On Urban Homicide: Working Paper. 19.