APA (7th ed.) Citation

Kupka, J., & Šafár, E. Hudobný festival Lumen.

Chicago Style (17th ed.) Citation

Kupka, Jozef, and Emil Šafár. Hudobný Festival Lumen.

MLA (9th ed.) Citation

Kupka, Jozef, and Emil Šafár. Hudobný Festival Lumen.

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