APA (7th ed.) Citation

Bariak, I., & Vojtková, Z. Pierko a lietadielko.

Chicago Style (17th ed.) Citation

Bariak, Imrich, and Zdena Vojtková. Pierko a Lietadielko.

MLA (9th ed.) Citation

Bariak, Imrich, and Zdena Vojtková. Pierko a Lietadielko.

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