APA (7th ed.) Citation

Ballantyne, R. M. (2007). The Island Queen. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ballantyne, R. M. The Island Queen. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Ballantyne, R. M. The Island Queen. Project Gutenberg, 2007.

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