APA (7th ed.) Citation

Asimov, I., Skala, P., & Lengyel, J. Veselá škola.

Chicago Style (17th ed.) Citation

Asimov, Isaac, Peter Skala, and Ján Lengyel. Veselá škola.

MLA (9th ed.) Citation

Asimov, Isaac, et al. Veselá škola.

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