APA (7th ed.) Citation

Lansford, T., Pauly, R. J., & Covarrubias, J. (2006). To protect and defend: US homeland security policy. Ashgate.

Chicago Style (17th ed.) Citation

Lansford, Tom, Robert J. Pauly, and Jack Covarrubias. To Protect and Defend: US Homeland Security Policy. Aldershot [u.a.]: Ashgate, 2006.

MLA (9th ed.) Citation

Lansford, Tom, et al. To Protect and Defend: US Homeland Security Policy. Ashgate, 2006.