APA (7th ed.) Citation

Zhang, J. (2021). The ancient regional defense system in Fenghuang, China.

Chicago Style (17th ed.) Citation

Zhang, Jie. The Ancient Regional Defense System in Fenghuang, China. 2021.

MLA (9th ed.) Citation

Zhang, Jie. The Ancient Regional Defense System in Fenghuang, China. 2021.

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