(2002). Americans: Paintings and photographs from the National Portrait Gallery, Washington, DC. National Portrait Gallery Publications.
Chicago-Zitierstil (17. Ausg.)Americans: Paintings and Photographs from the National Portrait Gallery, Washington, DC. London: National Portrait Gallery Publications, 2002.
MLA-Zitierstil (9. Ausg.)Americans: Paintings and Photographs from the National Portrait Gallery, Washington, DC. National Portrait Gallery Publications, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.