Cita APA (7a ed.)

Robbins, R. K., Nichols, L. D., & Bray, R. A. (1989). The California peace officer. The California peace officer the basic training course.

Cita Chicago Style (17a ed.)

Robbins, Ray K., Larry D. Nichols, y Ray A. Bray. "The California Peace Officer." The California Peace Officer the Basic Training Course 1989.

Cita MLA (9a ed.)

Robbins, Ray K., et al. "The California Peace Officer." The California Peace Officer the Basic Training Course, 1989.