Cita APA (7th ed.)

EISENSTADT, S. (1969). The political system of empires. Free Press.

Cita Chicago (17th ed.)

EISENSTADT, S.N. The Political System of Empires. New York: Free Press, 1969.

Cita MLA (9th ed.)

EISENSTADT, S.N. The Political System of Empires. Free Press, 1969.