Nicolson, N. (1973). Portrait of a marriage. London: Weidenfeld and Nicolson.
Cita Chicago (17th ed.)Nicolson, Nigel. Portrait of a Marriage. London: Weidenfeld and Nicolson, 1973.
Cita MLA (8th ed.)Nicolson, Nigel. Portrait of a Marriage. London: Weidenfeld and Nicolson, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.