APA (7th ed.) Citation

Tymchenko, I. A., & Vasylieva, T. V. (2013). Vira Viktorivna Protopopova (80th Anniversary).

Chicago Style (17th ed.) Citation

Tymchenko, I. A., and T. V. Vasylieva. Vira Viktorivna Protopopova (80th Anniversary). 2013.

MLA (8th ed.) Citation

Tymchenko, I. A., and T. V. Vasylieva. Vira Viktorivna Protopopova (80th Anniversary). 2013.

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