Bruen, K. (2008). Once were cops (1st St. Martin's Minotaur ed.). St. Martin's Minotaur.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBruen, Ken. Once Were Cops. 1st St. Martin's Minotaur ed. New York: St. Martin's Minotaur, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBruen, Ken. Once Were Cops. 1st St. Martin's Minotaur ed. St. Martin's Minotaur, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.