APA (7th ed.) Citation

SpringerLink (Online service), Salomon, I., Bovy, P. H. L., & Orfeuil, J. (1993). A Billion trips a day: Tradition and transition in European travel patterns. Kluwer Academic Publishers.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Ilan Salomon, Piet H. L. Bovy, and Jean-Pierre Orfeuil. A Billion Trips a Day: Tradition and Transition in European Travel Patterns. Dordrecht, Netherlands ; Boston: Kluwer Academic Publishers, 1993.

MLA (9th ed.) Citation

SpringerLink (Online service), et al. A Billion Trips a Day: Tradition and Transition in European Travel Patterns. Kluwer Academic Publishers, 1993.