The happy prince :
the complete fairy stories of Oscar Wilde ;
illustrated by Philippe Jullian.

APA Citation

Wilde, O., Jullian, P., Holland, V. Beresford. (1957). The happy prince: the complete fairy stories of Oscar Wilde. London: G. Duckworth.

MLA Citation

Wilde, Oscar, 1854-1900, Philippe Jullian, and Vyvyan Beresford Holland. The Happy Prince: the Complete Fairy Stories of Oscar Wilde. London: G. Duckworth, 1957.

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