APA (7th ed.) Citation

Williamson, D. G. (2011). Poland betrayed: The Nazi-Soviet invasions of 1939. Stackpole Books.

Chicago Style (17th ed.) Citation

Williamson, David G. Poland Betrayed: The Nazi-Soviet Invasions of 1939. Mechanicsburg, Pa: Stackpole Books, 2011.

MLA (9th ed.) Citation

Williamson, David G. Poland Betrayed: The Nazi-Soviet Invasions of 1939. Stackpole Books, 2011.

Warning: These citations may not always be 100% accurate.