Cita APA (7a ed.)

Riedel, M., & Zahn, M. A. (1985). The nature and patterns of American homicide. U.S. GPO.

Cita Chicago Style (17a ed.)

Riedel, Marc, y Margaret A. Zahn. The Nature and Patterns of American Homicide. Washington, D.C: U.S. GPO, 1985.

Cita MLA (8a ed.)

Riedel, Marc, y Margaret A. Zahn. The Nature and Patterns of American Homicide. U.S. GPO, 1985.