APA (7th ed.) Citation

Unknown. (2012). Quacks and Grafters. Project Gutenberg.

Chicago Style (17th ed.) Citation

Unknown. Quacks and Grafters. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Unknown. Quacks and Grafters. Project Gutenberg, 2012.

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