APA (7th ed.) Citation

Kanclíř, E. Ing. Ivo Prokš, DrSc. sixty years old.

Chicago Style (17th ed.) Citation

Kanclíř, Edmund. Ing. Ivo Prokš, DrSc. Sixty Years Old.

MLA (9th ed.) Citation

Kanclíř, Edmund. Ing. Ivo Prokš, DrSc. Sixty Years Old.

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