A history of Poland /
O. Halecki ; with additional material by A. Polonsky.

APA Citation

Halecki, O., Polonsky, A. (19781976). A history of Poland. London: Kegan Paul.

MLA Citation

Halecki, Oskar, 1891-1973, and Antony Polonsky. A History of Poland. London: Kegan Paul, 19781976.

Warning: These citations may not always be complete (especially for serials).