APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (8. izdanje)

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