APA (7th ed.) Citation

Fei, F., & Pingping, L. Environmental protection and Authentic-Durable Happiness. EDP Sciences.

Chicago Style (17th ed.) Citation

Fei, Fei, and Liu Pingping. Environmental Protection and Authentic-Durable Happiness. EDP Sciences.

MLA (9th ed.) Citation

Fei, Fei, and Liu Pingping. Environmental Protection and Authentic-Durable Happiness. EDP Sciences.

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