Cita APA (7th ed.)

Lewis R. W. B. & Lewis, N. (1999). American characters: Selections from the national portrait gallery, accompanied by literary portraits. Yale University Press.

Cita Chicago (17th ed.)

Lewis R. W. B. i Nancy Lewis. American Characters: Selections from the National Portrait Gallery, Accompanied by Literary Portraits. New Haven: Yale University Press, 1999.

Cita MLA (9th ed.)

Lewis R. W. B. i Nancy Lewis. American Characters: Selections from the National Portrait Gallery, Accompanied by Literary Portraits. Yale University Press, 1999.