APA (7th ed.) Citation

Farkaš, J., & Farkašová, Ľ. Tajomstvo zo zeleného ostrova.

Chicago Style (17th ed.) Citation

Farkaš, Ján, and Ľudmila Farkašová. Tajomstvo Zo Zeleného Ostrova.

MLA (9th ed.) Citation

Farkaš, Ján, and Ľudmila Farkašová. Tajomstvo Zo Zeleného Ostrova.

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