APA (7th ed.) Citation

Wu, J. J., Feldman, S. R., & Lebwohl, M. (2017). Therapy for severe psoriasis. Elsevier.

Chicago Style (17th ed.) Citation

Wu, Jashin J., Steven R. Feldman, and Mark Lebwohl. Therapy for Severe Psoriasis. Philadelphia: Elsevier, 2017.

MLA (9th ed.) Citation

Wu, Jashin J., et al. Therapy for Severe Psoriasis. Elsevier, 2017.