APA (7th ed.) Citation

Hudeček, V., & Stoniš, M. (2009, December). Mining of Coal Pillars Using the Drilling Method. Acta Montanistica Slovaca.

Chicago Style (17th ed.) Citation

Hudeček, Vlastimil, and Milan Stoniš. "Mining of Coal Pillars Using the Drilling Method." Acta Montanistica Slovaca Dec. 2009.

MLA (9th ed.) Citation

Hudeček, Vlastimil, and Milan Stoniš. "Mining of Coal Pillars Using the Drilling Method." Acta Montanistica Slovaca, Dec. 2009.

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