APA (7th ed.) Citation

Hell, P., Slamečka, J., & Gašparík, J. Tajomná dlhozobka.

Chicago Style (17th ed.) Citation

Hell, Pavel, Jaroslav Slamečka, and Jozef Gašparík. Tajomná Dlhozobka.

MLA (9th ed.) Citation

Hell, Pavel, et al. Tajomná Dlhozobka.

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