Cita APA (7a ed.)

Human Resources Institute, Tampa, Fla., Spielberger, C. D., Human Resources Institute, & Spielberger, C. D. (1982). The police stress survey: Sources of stress in law enforcement. National Criminal Justice Reference Service.

Cita Chicago Style (17a ed.)

Human Resources Institute, Tampa, Fla., Charles Donald Spielberger, Human Resources Institute, y Charles Donald Spielberger. The Police Stress Survey: Sources of Stress in Law Enforcement. Rockville, Md: National Criminal Justice Reference Service, 1982.

Cita MLA (8a ed.)

Human Resources Institute, Tampa, Fla., et al. The Police Stress Survey: Sources of Stress in Law Enforcement. National Criminal Justice Reference Service, 1982.