APA (7th ed.) Citation

Wilde, O. (1997). An Ideal Husband. Project Gutenberg.

Chicago Style (17th ed.) Citation

Wilde, Oscar. An Ideal Husband. Project Gutenberg, 1997.

MLA (9th ed.) Citation

Wilde, Oscar. An Ideal Husband. Project Gutenberg, 1997.

Warning: These citations may not always be 100% accurate.