Wilde, O., Wilson, R., & Billington, M. (1988). The importance of being earnest. A &C Black, ; W. W. Norton.
Citazione stile Chigago Style (17a edizione)Wilde, Oscar, Robert Wilson, e Michael Billington. The Importance of Being Earnest. London : New York: A &C Black, ; W. W. Norton, 1988.
Citatione MLA (8a ed.)Wilde, Oscar, et al. The Importance of Being Earnest. A &C Black, ; W. W. Norton, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.