APA (7th ed.) Citation

Leonhardt, H. L. (1942). Nazi conquest of Danzig. University of Chicago Press.

Chicago Style (17th ed.) Citation

Leonhardt, Hans L. Nazi Conquest of Danzig. Chicago, Ill: University of Chicago Press, 1942.

MLA (8th ed.) Citation

Leonhardt, Hans L. Nazi Conquest of Danzig. University of Chicago Press, 1942.