Cita APA (7a ed.)

Ward, R. H., & Ward, T. J. (1975). Manual for robbery control projects. U.S. Dept. of Justice.

Cita Chicago Style (17a ed.)

Ward, Richard H., y Thomas J. Ward. Manual for Robbery Control Projects. Washington, D.C: U.S. Dept. of Justice, 1975.

Cita MLA (8a ed.)

Ward, Richard H., y Thomas J. Ward. Manual for Robbery Control Projects. U.S. Dept. of Justice, 1975.