APA (7th ed.) Citation

Product Design Online. (2007). Day #19: 3D Model a Hinged Box (Part 2 of 2). Product Design Online.

Chicago Style (17th ed.) Citation

Product Design Online. Day #19: 3D Model a Hinged Box (Part 2 of 2). [Place of publication not identified]: Product Design Online, 2007.

MLA (9th ed.) Citation

Product Design Online. Day #19: 3D Model a Hinged Box (Part 2 of 2). Product Design Online, 2007.