Catalogue of the National Portrait Gallery, 1856-1947.
APA Citation
National Portrait Gallery (Great Britain). (1949). Catalogue of the National Portrait Gallery, 1856-1947. London: The Gallery.
MLA Citation
National Portrait Gallery (Great Britain). Catalogue of the National Portrait Gallery, 1856-1947. London: The Gallery, 1949.
Warning: These citations may not always be complete (especially for serials).