APA (7th ed.) Citation

Harris, W. G. (1994). Audrey Hepburn: A biography. Simon & Schuster.

Chicago Style (17th ed.) Citation

Harris, Warren G. Audrey Hepburn: A Biography. New York u.a: Simon & Schuster, 1994.

MLA (9th ed.) Citation

Harris, Warren G. Audrey Hepburn: A Biography. Simon & Schuster, 1994.