APA (7th ed.) Citation

SpringerLink (Online service), Douglas, I., & Liu, Z. (2011). Global usability. Springer.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Ian Douglas, and Zhengjie Liu. Global Usability. London: Springer, 2011.

MLA (9th ed.) Citation

SpringerLink (Online service), et al. Global Usability. Springer, 2011.