APA (7th ed.) Citation

Bartl, J., Sikora, S., & Slivka, M. 1968.

Chicago Style (17th ed.) Citation

Bartl, Július, Stanislav Sikora, and Michal Slivka. 1968.

MLA (9th ed.) Citation

Bartl, Július, et al. 1968.

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