Citação norma APA

Paixão, A., Fortunato, E., & Antunes, M. L. (2010). Emerging Trends for High-Speed Rail Track Superstructures – Ballastless Track as an alternative to the Ballasted Track.

Citação norma Chicago

Paixão, A., E. Fortunato, and M. L. Antunes. Emerging Trends for High-Speed Rail Track Superstructures – Ballastless Track as an Alternative to the Ballasted Track. 2010.

Citação norma MLA

Paixão, A., et al. Emerging Trends for High-Speed Rail Track Superstructures – Ballastless Track as an Alternative to the Ballasted Track. 2010.

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