APA (7th ed.) Citation

Čelko, E. PhDr. Ján Tibenský, DrSc.

Chicago Style (17th ed.) Citation

Čelko, Elemír. PhDr. Ján Tibenský, DrSc.

MLA (9th ed.) Citation

Čelko, Elemír. PhDr. Ján Tibenský, DrSc.

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