APA (7th ed.) Citation

Lobo, A., & Couto, A. (2010). Operational performance of European metro systems: The Porto metro case.

Chicago Style (17th ed.) Citation

Lobo, António, and António Couto. Operational Performance of European Metro Systems: The Porto Metro Case. 2010.

MLA (8th ed.) Citation

Lobo, António, and António Couto. Operational Performance of European Metro Systems: The Porto Metro Case. 2010.

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