Cita APA (7a ed.)

SpringerLink (Online service), Hakim, S., & Blackstone, E. A. (2009). Safeguarding Homeland Security: Governors and Mayors Speak Out (1st ed. 2009.). Springer New York : Imprint: Springer.

Cita Chicago Style (17a ed.)

SpringerLink (Online service), Simon Hakim, y Erwin A. Blackstone. Safeguarding Homeland Security: Governors and Mayors Speak Out. 1st ed. 2009. New York, NY: Springer New York : Imprint: Springer, 2009.

Cita MLA (8a ed.)

SpringerLink (Online service), et al. Safeguarding Homeland Security: Governors and Mayors Speak Out. 1st ed. 2009. Springer New York : Imprint: Springer, 2009.