APA (7th ed.) Citation

Halecki, O. (1966). A history of Poland (Special millenium ed.). Coordinating Committee of Poland's Christianity Millennium.

Chicago Style (17th ed.) Citation

Halecki, O. A History of Poland. Special millenium ed. New York: Coordinating Committee of Poland's Christianity Millennium, 1966.

MLA (9th ed.) Citation

Halecki, O. A History of Poland. Special millenium ed. Coordinating Committee of Poland's Christianity Millennium, 1966.