Cita APA (7a ed.)

Mahncke, D., & Gstöhl, S. (2012). European Union diplomacy: Coherence, unity and effectiveness. P.I.E. Peter Lang.

Cita Chicago Style (17a ed.)

Mahncke, Dieter, y Sieglinde Gstöhl. European Union Diplomacy: Coherence, Unity and Effectiveness. New York: P.I.E. Peter Lang, 2012.

Cita MLA (9a ed.)

Mahncke, Dieter, y Sieglinde Gstöhl. European Union Diplomacy: Coherence, Unity and Effectiveness. P.I.E. Peter Lang, 2012.