APA (7th ed.) Citation

Yakovenko, O., & Vyskirko, O. (2015). Sikorsky: Life, activities, bibliophilic heritage.

Chicago Style (17th ed.) Citation

Yakovenko, O., and O. Vyskirko. Sikorsky: Life, Activities, Bibliophilic Heritage. 2015.

MLA (8th ed.) Citation

Yakovenko, O., and O. Vyskirko. Sikorsky: Life, Activities, Bibliophilic Heritage. 2015.

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