APA (7th ed.) Citation

Lutz, W., & Haugová, M. Je to smutné.

Chicago Style (17th ed.) Citation

Lutz, Werner, and Mila Haugová. Je to Smutné.

MLA (9th ed.) Citation

Lutz, Werner, and Mila Haugová. Je to Smutné.

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