The importance of being earnest :
a trivial comedy for serious people /
by Oscar Wilde ; edited and with an introduction by Ruth Berggren.
APA Citation
Wilde, O., Berggren, R. (1986). The importance of being earnest: a trivial comedy for serious people. New York: Vanguard Press.
MLA Citation
Wilde, Oscar, 1854-1900, and Ruth Berggren. The Importance of Being Earnest: a Trivial Comedy for Serious People. New York: Vanguard Press, 1986.
Warning: These citations may not always be complete (especially for serials).