APA (7th ed.) Citation

Tian, H., & Lai, W. (2019). The causes of stage expansion of WTI/Brent spread. KeAi Communications Co., Ltd.

Chicago Style (17th ed.) Citation

Tian, Hong-Zhi, and Wei-Di Lai. The Causes of Stage Expansion of WTI/Brent Spread. KeAi Communications Co., Ltd, 2019.

MLA (8th ed.) Citation

Tian, Hong-Zhi, and Wei-Di Lai. The Causes of Stage Expansion of WTI/Brent Spread. KeAi Communications Co., Ltd, 2019.

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