Cita APA (7a ed.)

Held, J. (1992). The Columbia history of Eastern Europe in the twentieth century. Columbia University Press.

Cita Chicago Style (17a ed.)

Held, Joseph. The Columbia History of Eastern Europe in the Twentieth Century. New York: Columbia University Press, 1992.

Cita MLA (9a ed.)

Held, Joseph. The Columbia History of Eastern Europe in the Twentieth Century. Columbia University Press, 1992.