APA (7th ed.) Citation

Drzewieniecki, W. M. (1959). The German-Polish frontier. Polish Western Association of America.

Chicago Style (17th ed.) Citation

Drzewieniecki, Włodzimierz Marian. The German-Polish Frontier. Chicago: Polish Western Association of America, 1959.

MLA (9th ed.) Citation

Drzewieniecki, Włodzimierz Marian. The German-Polish Frontier. Polish Western Association of America, 1959.