APA (7th ed.) Citation

Ribeiro, P., & Alonso, R. L. (2004). Frequency domain analysis of geometrically nonlinear vibrations of 3D beams.

Chicago Style (17th ed.) Citation

Ribeiro, P., and R. Lopes Alonso. Frequency Domain Analysis of Geometrically Nonlinear Vibrations of 3D Beams. 2004.

MLA (8th ed.) Citation

Ribeiro, P., and R. Lopes Alonso. Frequency Domain Analysis of Geometrically Nonlinear Vibrations of 3D Beams. 2004.

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