APA (7th ed.) Citation

National Portrait Gallery (Great Britain) & Scharf, G. (1884). Historical and descriptive catalogue of the pictures, busts, etc. in the National Portrait Gallery (New and enlarged edition.). H.M.S.O..

Chicago Style (17th ed.) Citation

National Portrait Gallery (Great Britain) and George Scharf. Historical and Descriptive Catalogue of the Pictures, Busts, Etc. in the National Portrait Gallery. New and enlarged edition. London: H.M.S.O., 1884.

MLA (9th ed.) Citation

National Portrait Gallery (Great Britain) and George Scharf. Historical and Descriptive Catalogue of the Pictures, Busts, Etc. in the National Portrait Gallery. New and enlarged edition. H.M.S.O., 1884.