APA (7th ed.) Citation

Kovařík, P. Professor Ing. Ladislav Valko, DrSc. Sixty Years Old.

Chicago Style (17th ed.) Citation

Kovařík, P. Professor Ing. Ladislav Valko, DrSc. Sixty Years Old.

MLA (9th ed.) Citation

Kovařík, P. Professor Ing. Ladislav Valko, DrSc. Sixty Years Old.

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