APA Style

S, ., L.Hagen, R. (2007). Textbook of DiagnosticUltrasongraphy Vol-1 (6th ed). Philadelphia: Mosby.

MLA Style

S, ., L.Hagen, Ra. "Textbook of DiagnosticUltrasongraphy Vol-1". 6th ed Philadelphia: Mosby, 2007. Text.