APA (7th ed.) Citation

Song, C., Chung, J., Cho, J., & Nam, Y. Optimal Design Parameters of a Percussive Drilling System for Efficiency Improvement. Wiley.

Chicago Style (17th ed.) Citation

Song, Changheon, Jintai Chung, Jae-Sang Cho, and Yun-Joo Nam. Optimal Design Parameters of a Percussive Drilling System for Efficiency Improvement. Wiley.

MLA (9th ed.) Citation

Song, Changheon, et al. Optimal Design Parameters of a Percussive Drilling System for Efficiency Improvement. Wiley.