APA (7th ed.) Citation

Cooper, G. R. (2010). The Invention of the Sewing Machine. Project Gutenberg.

Chicago Style (17th ed.) Citation

Cooper, Grace Rogers. The Invention of the Sewing Machine. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Cooper, Grace Rogers. The Invention of the Sewing Machine. Project Gutenberg, 2010.

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