APA
Smith H. S., . (2009). Current therapy in pain. Philadelphia: Elsevier.
Chicago
Smith Howard S, . 2009. Current therapy in pain. Philadelphia: Elsevier.
Harvard
Smith H. S., . (2009). Current therapy in pain. Philadelphia: Elsevier.
MLA
Smith Howard S, . Current therapy in pain. Philadelphia: Elsevier. 2009.