APA (7th ed.) Citation

Plutko, P., Plutko, P., & Chmel, R. Chmel, Rudolf: Sondy.

Chicago Style (17th ed.) Citation

Plutko, Pavol, Pavol Plutko, and Rudolf Chmel. Chmel, Rudolf: Sondy.

MLA (9th ed.) Citation

Plutko, Pavol, et al. Chmel, Rudolf: Sondy.

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