Citação norma APA

Ragb, O., Mohamed, M., & Matbuly, M. (2019). Free vibration of a piezoelectric nanobeam resting on nonlinear Winkler-Pasternak foundation by quadrature methods. Heliyon.

Citação norma Chicago

Ragb, Ola, Mokhtar Mohamed, and M.S Matbuly. "Free Vibration of a Piezoelectric Nanobeam Resting On Nonlinear Winkler-Pasternak Foundation By Quadrature Methods." Heliyon 2019.

Citação norma MLA

Ragb, Ola, Mokhtar Mohamed, and M.S Matbuly. "Free Vibration of a Piezoelectric Nanobeam Resting On Nonlinear Winkler-Pasternak Foundation By Quadrature Methods." Heliyon 2019.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.