APA (7th ed.) Zitazioa

Krader, L. (1968). Formation of the state. Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

Krader, Lawrence. Formation of the State. Englewood Cliffs: Prentice-Hall, 1968.

MLA (9th ed.) Zitazioa

Krader, Lawrence. Formation of the State. Prentice-Hall, 1968.