Cita APA (7a ed.)

Koch, K. F., & Risch, H. (1991). The Bundeskriminalamt: The german federal criminal police office. Police research in the Federal Republic of Germany, 3-22.

Cita Chicago Style (17a ed.)

Koch, K. F., y H. Risch. "The Bundeskriminalamt: The German Federal Criminal Police Office." Police Research in the Federal Republic of Germany 1991: 3-22.

Cita MLA (8a ed.)

Koch, K. F., y H. Risch. "The Bundeskriminalamt: The German Federal Criminal Police Office." Police Research in the Federal Republic of Germany, 1991, pp. 3-22.