Cita APA (7a ed.)

Steffensmeier, D. J., & Harer, M. D. (1993). Bulging prisons, an aging U.S. population, and the nation's violent crime rate. Federal probation, 47(2), 3-10.

Cita Chicago Style (17a ed.)

Steffensmeier, Darrell J., y Miles D. Harer. "Bulging Prisons, an Aging U.S. Population, and the Nation's Violent Crime Rate." Federal Probation 47, no. 2 (1993): 3-10.

Cita MLA (8a ed.)

Steffensmeier, Darrell J., y Miles D. Harer. "Bulging Prisons, an Aging U.S. Population, and the Nation's Violent Crime Rate." Federal Probation, vol. 47, no. 2, 1993, pp. 3-10.