APA (7th ed.) Citation

Wilde, O. (2010). The duchess of padua. Project Gutenberg.

Chicago Style (17th ed.) Citation

Wilde, Oscar. The Duchess of Padua. To be supplied: Project Gutenberg, 2010.

MLA (8th ed.) Citation

Wilde, Oscar. The Duchess of Padua. Project Gutenberg, 2010.

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