Oscar Wilde's Oxford notebooks :
a portrait of mind in the making /
edited, with a commentary, by Philip E. Smith II and Michael S. Helfand.

APA Citation

Wilde, O., Helfand, M. S., Smith, P. E. (1989). Oscar Wilde's Oxford notebooks: a portrait of mind in the making. New York: Oxford University Press.

MLA Citation

Wilde, Oscar, 1854-1900, Michael S Helfand, and Philip E Smith. Oscar Wilde's Oxford Notebooks: a Portrait of Mind In the Making. New York: Oxford University Press, 1989.

Warning: These citations may not always be complete (especially for serials).