Citazione Stile APA (7a Edizione)

Okey, R. (1986). Eastern Europe, 1740-1985: Feudalism to communism (2nd ed.). University of Minnesota Press.

Citazione stile Chigago Style (17a edizione)

Okey, Robin. Eastern Europe, 1740-1985: Feudalism to Communism. 2nd ed. Minneapolis: University of Minnesota Press, 1986.

Citatione MLA (9a ed.)

Okey, Robin. Eastern Europe, 1740-1985: Feudalism to Communism. 2nd ed. University of Minnesota Press, 1986.