Appel, E. J. (2015). Cybervetting: Internet searches for vetting, investigations, and open-source intelligence (Second Edition.). CRC Press, Taylor & Francis Press.
芝加哥风格引文Appel, Edward J. Cybervetting: Internet Searches for Vetting, Investigations, and Open-source Intelligence. Second Edition. Boca Raton: CRC Press, Taylor & Francis Press, 2015.
MLA引文Appel, Edward J. Cybervetting: Internet Searches for Vetting, Investigations, and Open-source Intelligence. Second Edition. CRC Press, Taylor & Francis Press, 2015.
警告：这些引文格式不一定是100％准确.