The National Gallery (Trafalgar Square London) : : Illustrated Catalogue.

MLA

The National Gallery (trafalgar Square London) : Illustrated Catalogue. London: Cassell and Company Ltd, 1915.

APA

(1915). The National Gallery (Trafalgar Square London) : Illustrated Catalogue. London: Cassell and Company Ltd.

Chicago

The National Gallery (trafalgar Square London): Illustrated Catalogue. London: Cassell and Company Ltd, 1915.