Cita APA (7a ed.)

O'Hanlon, M. E. (2017). Beyond NATO: A new security architecture for Eastern Europe. Brookings Institutions Press.

Cita Chicago Style (17a ed.)

O'Hanlon, Michael E. Beyond NATO: A New Security Architecture for Eastern Europe. Washington, D.C.: Brookings Institutions Press, 2017.

Cita MLA (8a ed.)

O'Hanlon, Michael E. Beyond NATO: A New Security Architecture for Eastern Europe. Brookings Institutions Press, 2017.