APA (7th ed.) Citation

Válek, M., & Kállay, D. Sýkorka.

Chicago Style (17th ed.) Citation

Válek, Miroslav, and Dušan Kállay. Sýkorka.

MLA (9th ed.) Citation

Válek, Miroslav, and Dušan Kállay. Sýkorka.

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