APA (7th ed.) Citation

Potylchak, O. (2011). Igor Shumsky (1898–1974): The steps of service career of the head of UPVI NKVD of the Ukrainian SSR.

Chicago Style (17th ed.) Citation

Potylchak, O. Igor Shumsky (1898–1974): The Steps of Service Career of the Head of UPVI NKVD of the Ukrainian SSR. 2011.

MLA (8th ed.) Citation

Potylchak, O. Igor Shumsky (1898–1974): The Steps of Service Career of the Head of UPVI NKVD of the Ukrainian SSR. 2011.

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