Cita APA (7a ed.)

Feng, G. (2021). He’s frequency formula to fractal undamped Duffing equation. SAGE Publishing.

Cita Chicago Style (17a ed.)

Feng, Guang-Qing. He’s Frequency Formula to Fractal Undamped Duffing Equation. SAGE Publishing, 2021.

Cita MLA (8a ed.)

Feng, Guang-Qing. He’s Frequency Formula to Fractal Undamped Duffing Equation. SAGE Publishing, 2021.