Cita APA (7a ed.)

Kettner, F. (1936). The need for a secretary of peace. Biosophical Institute.

Cita Chicago Style (17a ed.)

Kettner, Frederick. The Need for a Secretary of Peace. New York, N.Y.: Biosophical Institute, 1936.

Cita MLA (8a ed.)

Kettner, Frederick. The Need for a Secretary of Peace. Biosophical Institute, 1936.