APA (7th ed.) Citation

Petrovský, Ľ., & Cesnak, J. Frnko.

Chicago Style (17th ed.) Citation

Petrovský, Ľudovít, and J. Cesnak. Frnko.

MLA (9th ed.) Citation

Petrovský, Ľudovít, and J. Cesnak. Frnko.

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