APA (7th ed.) Citation

Friedová, L., & Salamon, Z. Modré z neba.

Chicago Style (17th ed.) Citation

Friedová, Libuša, and Zoltán Salamon. Modré Z Neba.

MLA (9th ed.) Citation

Friedová, Libuša, and Zoltán Salamon. Modré Z Neba.

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