APA (7th ed.) Citation

Xiao, H., & Zheng, B. The Existence of Multiple Periodic Solutions of Nonautonomous Delay Differential Equations. Wiley.

Chicago Style (17th ed.) Citation

Xiao, Huafeng, and Bo Zheng. The Existence of Multiple Periodic Solutions of Nonautonomous Delay Differential Equations. Wiley.

MLA (9th ed.) Citation

Xiao, Huafeng, and Bo Zheng. The Existence of Multiple Periodic Solutions of Nonautonomous Delay Differential Equations. Wiley.

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