Cita APA (7a ed.)

Flinn, J. J., & Wilkie, J. E. (1971). History of the Chicago police Police in America.

Cita Chicago Style (17a ed.)

Flinn, John J., y John E. Wilkie. "History of the Chicago Police." Police in America 1971.

Cita MLA (9a ed.)

Flinn, John J., y John E. Wilkie. "History of the Chicago Police." Police in America, 1971.