APA (7th ed.) Citation

Halecki, O. (1957). Poland. Published for the Mid-European Studies Center of the Free Europe Committee by F. A. Praeger.

Chicago Style (17th ed.) Citation

Halecki, Oskar. Poland. New York: Published for the Mid-European Studies Center of the Free Europe Committee by F. A. Praeger, 1957.

MLA (9th ed.) Citation

Halecki, Oskar. Poland. Published for the Mid-European Studies Center of the Free Europe Committee by F. A. Praeger, 1957.