Levey, M. (1966). A room-to-room guide to the National Gallery (2nd [revised] ed.). National Gallery, Publications Department.
Cita Chicago Style (17a ed.)Levey, Michael. A Room-to-room Guide to the National Gallery. 2nd [revised] ed. London: National Gallery, Publications Department, 1966.
Cita MLA (8a ed.)Levey, Michael. A Room-to-room Guide to the National Gallery. 2nd [revised] ed. National Gallery, Publications Department, 1966.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.