APA (7th ed.) Citation

Mitchell, T., & Penzer, R. (2005). Psoriasis (2nd ed.). Class.

Chicago Style (17th ed.) Citation

Mitchell, Tim, and Rebecca Penzer. Psoriasis. 2nd ed. London: Class, 2005.

MLA (9th ed.) Citation

Mitchell, Tim, and Rebecca Penzer. Psoriasis. 2nd ed. Class, 2005.