APA (7th ed.) Citation

Mach, V., & Mach, V. Čierny deň.

Chicago Style (17th ed.) Citation

Mach, Vlado, and Vladimír Mach. Čierny Deň.

MLA (9th ed.) Citation

Mach, Vlado, and Vladimír Mach. Čierny Deň.

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