Cita APA (7a ed.)

Gundersen, D. F., & Hopper, R. (1984). Communication and law enforcement. Harper & Row.

Cita Chicago Style (17a ed.)

Gundersen, D. F., y Robert Hopper. Communication and Law Enforcement. New York [usw.]: Harper & Row, 1984.

Cita MLA (9a ed.)

Gundersen, D. F., y Robert Hopper. Communication and Law Enforcement. Harper & Row, 1984.