APA (7th ed.) Citation

Kovalenko, Y. O. (2013). Hlukhiv fortifications.

Chicago Style (17th ed.) Citation

Kovalenko, Yu. O. Hlukhiv Fortifications. 2013.

MLA (8th ed.) Citation

Kovalenko, Yu. O. Hlukhiv Fortifications. 2013.

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