APA (7th ed.) Citation

Dziewanowski, M. K. (1977). Poland in the twentieth century. Columbia University Press.

Chicago Style (17th ed.) Citation

Dziewanowski, Marian Kamil. Poland in the Twentieth Century. New York: Columbia University Press, 1977.

MLA (9th ed.) Citation

Dziewanowski, Marian Kamil. Poland in the Twentieth Century. Columbia University Press, 1977.