VanHeerden, T. J. (1986). Introduction to police science Manualia.
Chicago Style (17th ed.) CitationVanHeerden, Tjaart J. "Introduction to Police Science." Manualia 1986.
MLA (9th ed.) CitationVanHeerden, Tjaart J. "Introduction to Police Science." Manualia, 1986.
Warning: These citations may not always be 100% accurate.