Cita APA (7a ed.)

Cunningham, W. C., & Taylor, T. H. (1985). Private security and police in America. The Hallcrest report.

Cita Chicago Style (17a ed.)

Cunningham, William C., y Todd H. Taylor. "Private Security and Police in America." The Hallcrest Report 1985.

Cita MLA (9a ed.)

Cunningham, William C., y Todd H. Taylor. "Private Security and Police in America." The Hallcrest Report, 1985.