APA (7th ed.) Citation

Boyd, W., & Jusková, K. Modré popoludnie.

Chicago Style (17th ed.) Citation

Boyd, William, and Katarína Jusková. Modré Popoludnie.

MLA (9th ed.) Citation

Boyd, William, and Katarína Jusková. Modré Popoludnie.

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