APA (7th ed.) Citation

Tianxuan, L. Problems Existing in Urban Air Pollution Control and Their Optimization Measures. EDP Sciences.

Chicago Style (17th ed.) Citation

Tianxuan, Li. Problems Existing in Urban Air Pollution Control and Their Optimization Measures. EDP Sciences.

MLA (9th ed.) Citation

Tianxuan, Li. Problems Existing in Urban Air Pollution Control and Their Optimization Measures. EDP Sciences.

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