Cita APA (7th ed.)

McDonald, W. (1920). Some ethical questions of peace and war: With special reference to Ireland. [publisher].

Cita Chicago (17th ed.)

McDonald, Walter. Some Ethical Questions of Peace and War: With Special Reference to Ireland. London: [publisher], 1920.

Cita MLA (8th ed.)

McDonald, Walter. Some Ethical Questions of Peace and War: With Special Reference to Ireland. [publisher], 1920.