APA (7th ed.) Citation

Bon, O. I. (2019). Oleksa Novytskyi and Serhiy Hamchenko: The daily routine of the scientist in 1920th according to the epistolary sources.

Chicago Style (17th ed.) Citation

Bon, O. I. Oleksa Novytskyi and Serhiy Hamchenko: The Daily Routine of the Scientist in 1920th According to the Epistolary Sources. 2019.

MLA (8th ed.) Citation

Bon, O. I. Oleksa Novytskyi and Serhiy Hamchenko: The Daily Routine of the Scientist in 1920th According to the Epistolary Sources. 2019.

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