APA (7th ed.) Citation

Grabski, S. (1943). The Polish-Soviet frontier. London.

Chicago Style (17th ed.) Citation

Grabski, Stanislaw. The Polish-Soviet Frontier. London, 1943.

MLA (8th ed.) Citation

Grabski, Stanislaw. The Polish-Soviet Frontier. London, 1943.

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