APA Style

Firestein, G, S. et al (2017). Kelley and Firestein's Textbook of Rheumatology : Volume II (10th Ed.). Philadelphia: Elsevier.

MLA Style

Firestein, Gary, S.. et al. "Kelley and Firestein's Textbook of Rheumatology : Volume II". 10th Ed. Philadelphia: Elsevier, 2017. Text.