APA (7th ed.) Citation

Kellö, V. The 70th Anniversary of Professor Alexander Tkáč.

Chicago Style (17th ed.) Citation

Kellö, Vladimír. The 70th Anniversary of Professor Alexander Tkáč.

MLA (9th ed.) Citation

Kellö, Vladimír. The 70th Anniversary of Professor Alexander Tkáč.

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