Gaya APA

Wolff, K. et al. (2008). Fitzpatrik's Dermatology in General Medicine, 3 (7th ed.). New York: McGraw-Hill Education.

Gaya MLA

Wolff, K. et al.. Fitzpatrik's Dermatology in General Medicine, 3. 7th ed. New York: McGraw-Hill Education, 2008. Text.