APA (7th ed.) Citation

Patricia Cornwell. (2005). Portrait of a killer: Jack the ripper case closed. Index books.

Chicago Style (17th ed.) Citation

Patricia Cornwell. Portrait of a Killer: Jack the Ripper Case Closed. Great britain: Index books, 2005.

MLA (9th ed.) Citation

Patricia Cornwell. Portrait of a Killer: Jack the Ripper Case Closed. Index books, 2005.

Warning: These citations may not always be 100% accurate.