APA (7th ed.) Citation

Slavík, J., & Vastracká, M. Populations in the optically thick helium plasma.

Chicago Style (17th ed.) Citation

Slavík, J., and M. Vastracká. Populations in the Optically Thick Helium Plasma.

MLA (9th ed.) Citation

Slavík, J., and M. Vastracká. Populations in the Optically Thick Helium Plasma.

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