APA (7th ed.) Citation

SpringerLink (Online service), Maffulli, N., & Easley, M. (2011). Minimally invasive surgery of the foot and ankle. Springer.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Nicola Maffulli, and Mark Easley. Minimally Invasive Surgery of the Foot and Ankle. London: Springer, 2011.

MLA (8th ed.) Citation

SpringerLink (Online service), et al. Minimally Invasive Surgery of the Foot and Ankle. Springer, 2011.