APA (7th ed.) Citation

Sinclair, M. (2009). The Flaw in the Crystal. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sinclair, May. The Flaw in the Crystal. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Sinclair, May. The Flaw in the Crystal. Project Gutenberg, 2009.

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