APA (7th ed.) Citation

Wolverton, S. E., & Wilkin, J. K. (1991). Systemic drugs for skin diseases. Saunders.

Chicago Style (17th ed.) Citation

Wolverton, Stephen E., and Jonathan K. Wilkin. Systemic Drugs for Skin Diseases. Philadelphia: Saunders, 1991.

MLA (9th ed.) Citation

Wolverton, Stephen E., and Jonathan K. Wilkin. Systemic Drugs for Skin Diseases. Saunders, 1991.