MLA

Albrecht Schnabel, and Albrecht Schnabel. Security Sector Reform. Ubiquity Press, 2011.

APA

Albrecht Schnabel, A. Schnabel, & Schnabel, A. (2011). Security Sector Reform. Ubiquity Press.

Chicago

Albrecht Schnabel, and Albrecht Schnabel. Security Sector Reform. : Ubiquity Press, 2011.