APA (7th ed.) Citation

ScienceDirect (Online service), Firestein, G. S., Budd, R. C., Gabriel, S. E., McInnes, I. B., O'Dell, J. R., & Kelley, W. N. (2013). Kelley's textbook of rheumatology (9th ed.). Elsevier/Saunders.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Gary S. Firestein, Ralph C. Budd, Sherine E. Gabriel, Iain B. McInnes, James R. O'Dell, and William N. Kelley. Kelley's Textbook of Rheumatology. 9th ed. Philadelphia, PA: Elsevier/Saunders, 2013.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Kelley's Textbook of Rheumatology. 9th ed. Elsevier/Saunders, 2013.