APA (7th ed.) Zitazioa

Schell, J. (2003). The unconquerable world: Power, nonviolence, and the will of the people (First edition.). Metropolitan Books.

Chicago Style (17th ed.) Zitazioa

Schell, Jonathan. The Unconquerable World: Power, Nonviolence, and the Will of the People. First edition. New York: Metropolitan Books, 2003.

MLA (9th ed.) Zitazioa

Schell, Jonathan. The Unconquerable World: Power, Nonviolence, and the Will of the People. First edition. Metropolitan Books, 2003.