Cita APA (7a ed.)

Lansford, T., Pauly, R. J., & Covarrubias, J. (2016). To protect and defend: US homeland security policy (First issued in paperback.). Routledge.

Cita Chicago Style (17a ed.)

Lansford, Tom, Robert J. Pauly, y Jack Covarrubias. To Protect and Defend: US Homeland Security Policy. First issued in paperback. London New York: Routledge, 2016.

Cita MLA (8a ed.)

Lansford, Tom, et al. To Protect and Defend: US Homeland Security Policy. First issued in paperback. Routledge, 2016.