APA (7th ed.) Citation

Klafkowski, A. (1972). The Polish-German frontier after World War II. Poznań.

Chicago Style (17th ed.) Citation

Klafkowski, Alfons. The Polish-German Frontier After World War II. М: Poznań, 1972.

MLA (8th ed.) Citation

Klafkowski, Alfons. The Polish-German Frontier After World War II. Poznań, 1972.

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