APA (7th ed.) Citation

Yang, X. Periodic solutions of nonlinear differential equations. Wiley.

Chicago Style (17th ed.) Citation

Yang, Xiaojing. Periodic Solutions of Nonlinear Differential Equations. Wiley.

MLA (9th ed.) Citation

Yang, Xiaojing. Periodic Solutions of Nonlinear Differential Equations. Wiley.

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