APA (7th ed.) Citation

McCormack, M. A. (2007). Spool Knitting. Project Gutenberg.

Chicago Style (17th ed.) Citation

McCormack, Mary A. Spool Knitting. Project Gutenberg, 2007.

MLA (9th ed.) Citation

McCormack, Mary A. Spool Knitting. Project Gutenberg, 2007.

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