APA (7th ed.) Citation

Gavalda, A., & Činovská, M. (2015). Billie. Slovart.

Chicago Style (17th ed.) Citation

Gavalda, Anna, and Marta Činovská. Billie. Bratislava: Slovart, 2015.

MLA (9th ed.) Citation

Gavalda, Anna, and Marta Činovská. Billie. Slovart, 2015.

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