APA (7th ed.) Citation

Svoreň, J. Secular Decrease in the Brightness of Short-period Comets.

Chicago Style (17th ed.) Citation

Svoreň, Ján. Secular Decrease in the Brightness of Short-period Comets.

MLA (9th ed.) Citation

Svoreň, Ján. Secular Decrease in the Brightness of Short-period Comets.

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