APA (7th ed.) Citation

Spencer, C., & Tasker, J. (1991). Which of us two?: The story of a love affair / Colin Spencer. Penguin.

Chicago Style (17th ed.) Citation

Spencer, Colin, and John Tasker. Which of Us Two?: The Story of a Love Affair / Colin Spencer. London [u.a.]: Penguin, 1991.

MLA (8th ed.) Citation

Spencer, Colin, and John Tasker. Which of Us Two?: The Story of a Love Affair / Colin Spencer. Penguin, 1991.