APA (7th ed.) Citation

Sereda, O. V. (2010). XXI International Congress of Historians.

Chicago Style (17th ed.) Citation

Sereda, O. V. XXI International Congress of Historians. 2010.

MLA (8th ed.) Citation

Sereda, O. V. XXI International Congress of Historians. 2010.

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