APA (7th ed.) Citation

But, V. S., & Olejnik, O. I. (2014). Progress of technologies of arc welding repair of in-service main pipelines in Ukraine.

Chicago Style (17th ed.) Citation

But, V. S., and O. I. Olejnik. Progress of Technologies of Arc Welding Repair of In-service Main Pipelines in Ukraine. 2014.

MLA (8th ed.) Citation

But, V. S., and O. I. Olejnik. Progress of Technologies of Arc Welding Repair of In-service Main Pipelines in Ukraine. 2014.

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