APA (7th ed.) Citation

Lazarenko, O. (2017). Letters of Hryhorii Kostiuk to Ihor Kostetskyi.

Chicago Style (17th ed.) Citation

Lazarenko, O. Letters of Hryhorii Kostiuk to Ihor Kostetskyi. 2017.

MLA (8th ed.) Citation

Lazarenko, O. Letters of Hryhorii Kostiuk to Ihor Kostetskyi. 2017.

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