APA (7th ed.) Citation

Haggard, H. R. (2005). The Ghost Kings. Project Gutenberg.

Chicago Style (17th ed.) Citation

Haggard, H. Rider. The Ghost Kings. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Haggard, H. Rider. The Ghost Kings. Project Gutenberg, 2005.

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