APA (7th ed.) Citation

Kellö, V. Professor Alexander Tkáč 60 Jahre alt.

Chicago Style (17th ed.) Citation

Kellö, Vladimír. Professor Alexander Tkáč 60 Jahre Alt.

MLA (9th ed.) Citation

Kellö, Vladimír. Professor Alexander Tkáč 60 Jahre Alt.

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