The importance of being earnest;
a trivial comedy for serious people,
by Oscar Wilde.

APA Citation

Wilde, O. (1910). The importance of being earnest: a trivial comedy for serious people. New York: S. French.

MLA Citation

Wilde, Oscar, 1854-1900. The Importance of Being Earnest: a Trivial Comedy for Serious People. New York: S. French, 1910.

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