Cita APA (7a ed.)

Appel, E. J. (2015). Cybervetting: Internet searches for vetting, investigations, and open-source intelligence (2nd ed.). CRC Press.

Cita Chicago Style (17a ed.)

Appel, Edward J. Cybervetting: Internet Searches for Vetting, Investigations, and Open-source Intelligence. 2nd ed. Boca Raton, Fla.: CRC Press, 2015.

Cita MLA (8a ed.)

Appel, Edward J. Cybervetting: Internet Searches for Vetting, Investigations, and Open-source Intelligence. 2nd ed. CRC Press, 2015.