Cita APA

Gravelle, J., & Rogers, C. (2020). Researching the Police in the 21st Century. Palgrave Macmillan UK.

Chicago Style Citation

Gravelle, J., i C. Rogers. Researching the Police in the 21st Century. Palgrave Macmillan UK, 2020.

Cita MLA

Gravelle, J., i C. Rogers. Researching the Police in the 21st Century. Palgrave Macmillan UK, 2020.

Atenció: Aquestes cites poden no estar 100% correctes.