APA (7th ed.) Citation

SpringerLink (Online service), Li, S. Z., & Jain, A. K. (2015). Encyclopedia of Biometrics. Springer eBooks.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Stan Z. Li, and Anil K. Jain. "Encyclopedia of Biometrics." Springer EBooks 2015.

MLA (8th ed.) Citation

SpringerLink (Online service), et al. "Encyclopedia of Biometrics." Springer EBooks, 2015.