Callen, J. P. (2009). Dermatological signs of internal disease (4th ed.). [Edinburgh]: Saunders.
Chicago Style CitationCallen, Jeffrey P. Dermatological Signs of Internal Disease. 4th ed. [Edinburgh]: Saunders, 2009.
MLA CitationCallen, Jeffrey P. Dermatological Signs of Internal Disease. 4th ed. [Edinburgh]: Saunders, 2009.
Warning: These citations may not always be 100% accurate.