APA (7th ed.) Citation

Crofts, F. W. (1999). The Pit Prop Syndicate. Project Gutenberg.

Chicago Style (17th ed.) Citation

Crofts, Freeman Wills. The Pit Prop Syndicate. Project Gutenberg, 1999.

MLA (9th ed.) Citation

Crofts, Freeman Wills. The Pit Prop Syndicate. Project Gutenberg, 1999.

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