APA (7th ed.) Citation

Jacobs, W. W., & Owen, W. (2004). The Head of the Family Sailor's Knots, Part 9. Project Gutenberg.

Chicago Style (17th ed.) Citation

Jacobs, W. W., and Will Owen. The Head of the Family Sailor's Knots, Part 9. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Jacobs, W. W., and Will Owen. The Head of the Family Sailor's Knots, Part 9. Project Gutenberg, 2004.

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