Allen, R. J. (1978). Effective supervision in the police service (1st. ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationAllen, Richard J. Effective Supervision in the Police Service. 1st. ed. London [u.a.]: McGraw-Hill, 1978.
MLA (8th ed.) CitationAllen, Richard J. Effective Supervision in the Police Service. 1st. ed. McGraw-Hill, 1978.
Warning: These citations may not always be 100% accurate.