APA (7th ed.) Citation

Leung, A., Qichang, Z., & Yushu, C. Normal Form Analysis of Hopf Bifurcation Exemplified by Duffing’s Equation. Wiley.

Chicago Style (17th ed.) Citation

Leung, A.Y.T, Zhang Qichang, and Chen Yushu. Normal Form Analysis of Hopf Bifurcation Exemplified by Duffing’s Equation. Wiley.

MLA (9th ed.) Citation

Leung, A.Y.T, et al. Normal Form Analysis of Hopf Bifurcation Exemplified by Duffing’s Equation. Wiley.