APA (7th ed.) Citation

Sas, P. M. (2011). The Artillery in the Battle of Khotyn in 1621.

Chicago Style (17th ed.) Citation

Sas, P. M. The Artillery in the Battle of Khotyn in 1621. 2011.

MLA (8th ed.) Citation

Sas, P. M. The Artillery in the Battle of Khotyn in 1621. 2011.

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