Firestein, G. S., & Kelley, W. N. (2013). Kelley's textbook of rheumatology (9th ed.). Philadelphia, PA: Elsevier/Saunders.
Chicago Style CitationFirestein, Gary S., and William N. Kelley. Kelley's Textbook of Rheumatology. 9th ed. Philadelphia, PA: Elsevier/Saunders, 2013.
MLA CitationFirestein, Gary S., and William N. Kelley. Kelley's Textbook of Rheumatology. 9th ed. Philadelphia, PA: Elsevier/Saunders, 2013.
Warning: These citations may not always be 100% accurate.