APA (7th ed.) Citation

Romana, M., Martin-Gasulla, M., & Moreno, A. T. 2 + 1 Highways: Overview and Future Directions. Wiley.

Chicago Style (17th ed.) Citation

Romana, Manuel, Marilo Martin-Gasulla, and Ana T. Moreno. 2 + 1 Highways: Overview and Future Directions. Wiley.

MLA (9th ed.) Citation

Romana, Manuel, et al. 2 + 1 Highways: Overview and Future Directions. Wiley.