APA (7th ed.) Citation

Kryshtopa, S. I., Petryna, Y., Bohatchuk, I. M., Prunko, I. B., & Melnyk, V. M. (2017). Surface strengthening of 40X steel by electric spark alloying.

Chicago Style (17th ed.) Citation

Kryshtopa, S. I., Yu Petryna, I. M. Bohatchuk, I. B. Prunko, and V. M. Melnyk. Surface Strengthening of 40X Steel by Electric Spark Alloying. 2017.

MLA (8th ed.) Citation

Kryshtopa, S. I., et al. Surface Strengthening of 40X Steel by Electric Spark Alloying. 2017.

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