APA (7th ed.) Citation

Roth, P., & Lukáč, G. Prieskum údolia rieky Poprad.

Chicago Style (17th ed.) Citation

Roth, Peter, and Gabriel Lukáč. Prieskum údolia Rieky Poprad.

MLA (9th ed.) Citation

Roth, Peter, and Gabriel Lukáč. Prieskum údolia Rieky Poprad.

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