APA (7th ed.) Citation

Wodehouse, P. G. (2005). The Gem Collector. Project Gutenberg.

Chicago Style (17th ed.) Citation

Wodehouse, P. G. The Gem Collector. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Wodehouse, P. G. The Gem Collector. Project Gutenberg, 2005.

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