Cita APA (7a ed.)

Germann, A. C., Day, F. D., & Gallati, R. R. (1969). Introduction to law enforcement and criminal justice (11. print.). Thomas.

Cita Chicago Style (17a ed.)

Germann, Albert C., Frank D. Day, y Robert R. Gallati. Introduction to Law Enforcement and Criminal Justice. 11. print. Springfield, Ill: Thomas, 1969.

Cita MLA (9a ed.)

Germann, Albert C., et al. Introduction to Law Enforcement and Criminal Justice. 11. print. Thomas, 1969.