Keaney, M. (2010). Irving Penn: Portraits / Magdalene Keaney. National Portrait Gallery Publ..
Cita Chicago (17th ed.)Keaney, Magdalene. Irving Penn: Portraits / Magdalene Keaney. London: National Portrait Gallery Publ., 2010.
Cita MLA (8th ed.)Keaney, Magdalene. Irving Penn: Portraits / Magdalene Keaney. National Portrait Gallery Publ., 2010.
Atenció: Aquestes cites poden no estar 100% correctes.