Cita APA (7th ed.)

Keen, F. N. (1934). A better League of nations. G. Allen & Unwin ltd.

Cita Chicago (17th ed.)

Keen, Frank Noel. A Better League of Nations. London: G. Allen & Unwin ltd, 1934.

Cita MLA (8th ed.)

Keen, Frank Noel. A Better League of Nations. G. Allen & Unwin ltd, 1934.