Cita APA (7th ed.)

London. National Gallery. British Art. (1923). Illustrations. Published by the Trustees.

Cita Chicago (17th ed.)

London. National Gallery. British Art. Illustrations. London: Published by the Trustees, 1923.

Cita MLA (9th ed.)

London. National Gallery. British Art. Illustrations. Published by the Trustees, 1923.