APA (7th ed.) Citation

Levchenko, V. V. (2017). Ukrainian Revolution of 1917 – 1921 — the historic border of the sciences historians of Odesa.

Chicago Style (17th ed.) Citation

Levchenko, V. V. Ukrainian Revolution of 1917 – 1921 — the Historic Border of the Sciences Historians of Odesa. 2017.

MLA (8th ed.) Citation

Levchenko, V. V. Ukrainian Revolution of 1917 – 1921 — the Historic Border of the Sciences Historians of Odesa. 2017.

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