Cita APA (7a ed.)

Freeman, H. E., Jones, W. C., & Zucker, L. G. (1979). Social problems: A policy perspective (3rd ed.). Rand McNally College.

Cita Chicago Style (17a ed.)

Freeman, Howard E., Wyatt C. Jones, y Lynne G. Zucker. Social Problems: A Policy Perspective. 3rd ed. Chicago: Rand McNally College, 1979.

Cita MLA (9a ed.)

Freeman, Howard E., et al. Social Problems: A Policy Perspective. 3rd ed. Rand McNally College, 1979.