APA (7th ed.) Citation

Callen, J. P. (1995). Dermatological signs of internal disease (Second edition.). W.B. Saunders.

Chicago Style (17th ed.) Citation

Callen, Jeffrey P. Dermatological Signs of Internal Disease. Second edition. Philadelphia: W.B. Saunders, 1995.

MLA (9th ed.) Citation

Callen, Jeffrey P. Dermatological Signs of Internal Disease. Second edition. W.B. Saunders, 1995.