APA (7th ed.) Citation

Zhang, Q., Xu, Z., Liu, S., & Liu, L. (2020, July). Effects of Injector Spray Angle on Performance of an Opposed-Piston Free-Piston Engine. Energies.

Chicago Style (17th ed.) Citation

Zhang, Qinglin, Zhaoping Xu, Shuangshuang Liu, and Liang Liu. "Effects of Injector Spray Angle on Performance of an Opposed-Piston Free-Piston Engine." Energies Jul. 2020.

MLA (9th ed.) Citation

Zhang, Qinglin, et al. "Effects of Injector Spray Angle on Performance of an Opposed-Piston Free-Piston Engine." Energies, Jul. 2020.