APA (7th ed.) Citation

Polonska-Vasylenko, N. (2018). Ol'ga, the Great Princess of Ukraine-Rus (Publ., edit. by D. Gordiyenko).

Chicago Style (17th ed.) Citation

Polonska-Vasylenko, N. Ol'ga, the Great Princess of Ukraine-Rus (Publ., Edit. by D. Gordiyenko). 2018.

MLA (8th ed.) Citation

Polonska-Vasylenko, N. Ol'ga, the Great Princess of Ukraine-Rus (Publ., Edit. by D. Gordiyenko). 2018.

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