APA (7th ed.) Citation

Popko, S. M. (2018). The influence of russian military aggression on the intensification of cooperation between NATO and Ukraine (2014–2018).

Chicago Style (17th ed.) Citation

Popko, S. M. The Influence of Russian Military Aggression on the Intensification of Cooperation Between NATO and Ukraine (2014–2018). 2018.

MLA (8th ed.) Citation

Popko, S. M. The Influence of Russian Military Aggression on the Intensification of Cooperation Between NATO and Ukraine (2014–2018). 2018.

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