APA (7th ed.) Citation

Walpole, H. (2003). The Captives. Project Gutenberg.

Chicago Style (17th ed.) Citation

Walpole, Hugh. The Captives. Project Gutenberg, 2003.

MLA (9th ed.) Citation

Walpole, Hugh. The Captives. Project Gutenberg, 2003.

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