APA (7th ed.) Citation

SpringerLink (Online service), Algra, P. R., Valk, J., & Heimans, J. J. (1998). Diagnosis and therapy of spinal tumors. Springer.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), P. R. Algra, J. Valk, and Jan J. Heimans. Diagnosis and Therapy of Spinal Tumors. [Berlin]: Springer, 1998.

MLA (9th ed.) Citation

SpringerLink (Online service), et al. Diagnosis and Therapy of Spinal Tumors. Springer, 1998.