APA (7th ed.) Citation

Chen, S., & Cheung, Y. K. A Modified Lindstedt–Poincaré Method for a Strongly Nonlinear System with Quadratic and Cubic Nonlinearities. Wiley.

Chicago Style (17th ed.) Citation

Chen, S.H, and Y. K. Cheung. A Modified Lindstedt–Poincaré Method for a Strongly Nonlinear System with Quadratic and Cubic Nonlinearities. Wiley.

MLA (9th ed.) Citation

Chen, S.H, and Y. K. Cheung. A Modified Lindstedt–Poincaré Method for a Strongly Nonlinear System with Quadratic and Cubic Nonlinearities. Wiley.

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