APA (7th ed.) Citation

SpringerLink (Online service), Balducci, L., & Extermann, M. (2005). Biological basis of geriatric oncology. Springer.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Lodovico Balducci, and Martine Extermann. Biological Basis of Geriatric Oncology. Boston, MA: Springer, 2005.

MLA (8th ed.) Citation

SpringerLink (Online service), et al. Biological Basis of Geriatric Oncology. Springer, 2005.