APA (7th ed.) Citation

Harris, E. D., & Ruddy, S. Kelley's textbook of rheumatology (7th edition.). Elsevier Saunders.

Chicago Style (17th ed.) Citation

Harris, Edward D., and Shaun Ruddy. Kelley's Textbook of Rheumatology. 7th edition. Philadelphia: Elsevier Saunders.

MLA (8th ed.) Citation

Harris, Edward D., and Shaun Ruddy. Kelley's Textbook of Rheumatology. 7th edition. Elsevier Saunders.

Warning: These citations may not always be 100% accurate.