APA (7th ed.) Citation

Douglas, L. A. B. (1940). Oscar Wilde: A summing-up. Richard Press.

Chicago Style (17th ed.) Citation

Douglas, Lord Alfred Bruce. Oscar Wilde: A Summing-up. London: Richard Press, 1940.

MLA (9th ed.) Citation

Douglas, Lord Alfred Bruce. Oscar Wilde: A Summing-up. Richard Press, 1940.