Cita APA (7a ed.)

Horton, C., & Smith, D. J. (1988). Evaluating police work: An action research project. PSI research report.

Cita Chicago Style (17a ed.)

Horton, Christine, y David J. Smith. "Evaluating Police Work: An Action Research Project." PSI Research Report 1988.

Cita MLA (8a ed.)

Horton, Christine, y David J. Smith. "Evaluating Police Work: An Action Research Project." PSI Research Report, 1988.