APA (7th ed.) Citation

Billo Kármen & Stelbaczky Tibor. (2005). Cross-border cooperations in the European Union.

Chicago Style (17th ed.) Citation

Billo Kármen and Stelbaczky Tibor. Cross-border Cooperations in the European Union. 2005.

MLA (8th ed.) Citation

Billo Kármen and Stelbaczky Tibor. Cross-border Cooperations in the European Union. 2005.

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