APA način citiranja (7. izdanje)

Willoughby, W. F. (1936). The government of modern states. D. Appleton-Century company, incorporated.

Čikaški stil citiranja (17. izdanje)

Willoughby, William Franklin. The Government of Modern States. New York, London: D. Appleton-Century company, incorporated, 1936.

MLA način citiranja (9. izdanje)

Willoughby, William Franklin. The Government of Modern States. D. Appleton-Century company, incorporated, 1936.