APA (7th ed.) Citation

(jak) & Zelienka, Ľ. Expedícia smiechu.

Chicago Style (17th ed.) Citation

(jak) and Ľudo Zelienka. Expedícia Smiechu.

MLA (9th ed.) Citation

(jak) and Ľudo Zelienka. Expedícia Smiechu.

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