APA (7th ed.) Citation

Feng, Y., Yu, X., Chiu, Y., & Lin, T. (2020). Energy Efficiency and Health Efficiency of Old and New EU Member States. Frontiers Media S.A.

Chicago Style (17th ed.) Citation

Feng, Yongqi, Xinye Yu, Yung-Ho Chiu, and Tai-Yu Lin. Energy Efficiency and Health Efficiency of Old and New EU Member States. Frontiers Media S.A, 2020.

MLA (9th ed.) Citation

Feng, Yongqi, et al. Energy Efficiency and Health Efficiency of Old and New EU Member States. Frontiers Media S.A, 2020.