APA (7th ed.) Citation

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.

Chicago Style (17th ed.) Citation

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.

MLA (8th ed.) Citation

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

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