Oscar Wilde and the Black Douglas,
by the Marquess of Queensberry in collaboration with Percy Colson.
APA Citation
Queensberry, F. Archibald Kelhead Douglas. (1950). Oscar Wilde and the Black Douglas. London: Hutchinson.
MLA Citation
Queensberry, Francis Archibald Kelhead Douglas, Marquess of, 1896-1954. Oscar Wilde And the Black Douglas. London: Hutchinson, 1950.
Warning: These citations may not always be complete (especially for serials).