APA (7th ed.) Citation

Burchak, O. V., Primin, M. A., Nedaivoda, I. V., & Sierikov, Y. A. (2015). The influence of external factors on the state of coal matter.

Chicago Style (17th ed.) Citation

Burchak, O. V., M. A. Primin, I. V. Nedaivoda, and Yu. A. Sierikov. The Influence of External Factors on the State of Coal Matter. 2015.

MLA (8th ed.) Citation

Burchak, O. V., et al. The Influence of External Factors on the State of Coal Matter. 2015.

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