APA (7th ed.) Citation

Marks, R. (1999). Skin disease in old age (2. ed.). Dunitz.

Chicago Style (17th ed.) Citation

Marks, Ronald. Skin Disease in Old Age. 2. ed. London: Dunitz, 1999.

MLA (9th ed.) Citation

Marks, Ronald. Skin Disease in Old Age. 2. ed. Dunitz, 1999.