Cita APA (7a ed.)

Chertoff, M. (2009). Homeland Security: Assessing the First Five Years. University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Chertoff, Michael. Homeland Security: Assessing the First Five Years. Philadelphia: University of Pennsylvania Press, 2009.

Cita MLA (8a ed.)

Chertoff, Michael. Homeland Security: Assessing the First Five Years. University of Pennsylvania Press, 2009.