APA (7th ed.) Citation

SpringerLink (Online service), Gärling, T., Ettema, D., & Friman, M. (2014). Handbook of Sustainable Travel. Springer Netherlands : Imprint: Springer.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Tommy Gärling, Dick Ettema, and Margareta Friman. Handbook of Sustainable Travel. Dordrecht: Springer Netherlands : Imprint: Springer, 2014.

MLA (8th ed.) Citation

SpringerLink (Online service), et al. Handbook of Sustainable Travel. Springer Netherlands : Imprint: Springer, 2014.