APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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