APA (7th ed.) Citation

Čorba, J., & Dubinský, P. Professor Tibor Kassai is sixty.

Chicago Style (17th ed.) Citation

Čorba, Július, and Pavol Dubinský. Professor Tibor Kassai Is Sixty.

MLA (9th ed.) Citation

Čorba, Július, and Pavol Dubinský. Professor Tibor Kassai Is Sixty.

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