APA (7th ed.) Citation

Kovacic, I., & Brennan, M. J. (2011). The Duffing equation: Nonlinear oscillators and their behaviour. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Kovacic, Ivana, and Michael J. Brennan. The Duffing Equation: Nonlinear Oscillators and Their Behaviour. Chichester: John Wiley & Sons, 2011.

MLA (8th ed.) Citation

Kovacic, Ivana, and Michael J. Brennan. The Duffing Equation: Nonlinear Oscillators and Their Behaviour. John Wiley & Sons, 2011.

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