APA

Kennan G. F., .A war decision against Germany (Fotocopia tomada de Allied Intervention in Bolshevik Russia). s.l: s.e.

Chicago

Kennan George F, .A war decision against Germany (Fotocopia tomada de Allied Intervention in Bolshevik Russia). s.l: s.e.

Harvard

Kennan G. F., .A war decision against Germany (Fotocopia tomada de Allied Intervention in Bolshevik Russia). s.l: s.e.

MLA

Kennan George F, .s.l: s.e. .