APA (7th ed.) Citation

Duarte, F., & Machado, J. A. T. (2009). Fractional Describing Function of Systems with Nonlinear Friction.

Chicago Style (17th ed.) Citation

Duarte, Fernando, and J. A. Tenreiro Machado. Fractional Describing Function of Systems with Nonlinear Friction. 2009.

MLA (8th ed.) Citation

Duarte, Fernando, and J. A. Tenreiro Machado. Fractional Describing Function of Systems with Nonlinear Friction. 2009.

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