Krader, L. (1968). Formation of the state. Prentice-Hall.
Cita Chicago Style (17a ed.)Krader, Lawrence. Formation of the State. Englewood Cliffs, New Jersey: Prentice-Hall, 1968.
Cita MLA (9a ed.)Krader, Lawrence. Formation of the State. Prentice-Hall, 1968.
Precaución: Estas citas no son 100% exactas.