Cita APA (7a ed.)

O'Brian, K. E., Boston, G., & Marcus, M. (1976). Directory of criminal justice information sources. U.S. Dept. of Justice, LEAA, National Institute of Law Enforcement and Criminal Justice.

Cita Chicago Style (17a ed.)

O'Brian, Kevin E., Guy Boston, y Marvin Marcus. Directory of Criminal Justice Information Sources. Washington, D.C: U.S. Dept. of Justice, LEAA, National Institute of Law Enforcement and Criminal Justice, 1976.

Cita MLA (8a ed.)

O'Brian, Kevin E., et al. Directory of Criminal Justice Information Sources. U.S. Dept. of Justice, LEAA, National Institute of Law Enforcement and Criminal Justice, 1976.