APA (7th ed.) Citation

Smith, S. B. (1999). Diana in search of herself: Portrait of a troubled princess. Times Books.

Chicago Style (17th ed.) Citation

Smith, Sally Bedell. Diana in Search of Herself: Portrait of a Troubled Princess. New York: Times Books, 1999.

MLA (9th ed.) Citation

Smith, Sally Bedell. Diana in Search of Herself: Portrait of a Troubled Princess. Times Books, 1999.