Παραπομπή σε μορφή APA (7η εκδ.)

Edkins, D. (1981). The Prussian Orden Pour le Mérite: History of the Blue Max ; a study of the famous Blue Max and the men who won it from its earliest beginnings through World War I. Ajay Enterprises.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Edkins, David. The Prussian Orden Pour Le Mérite: History of the Blue Max ; a Study of the Famous Blue Max and the Men Who Won It from Its Earliest Beginnings Through World War I. Falls Church, VA: Ajay Enterprises, 1981.

Παραπομπή σε μορφή MLA (8th εκδ.)

Edkins, David. The Prussian Orden Pour Le Mérite: History of the Blue Max ; a Study of the Famous Blue Max and the Men Who Won It from Its Earliest Beginnings Through World War I. Ajay Enterprises, 1981.