[22] Web site: partial update information

Use the Web Page reference type for websites. See the "Web Updated" tab above for web pages with complete dates.

[22] Lenntech, "Water treatment chemicals." Updated 2006. Available http://www.lentech.com/water-treatment-chemicals.htm (accessed October 10, 2011).

1. Use Authors for the name of the company.
2. Use Last Updated for the year.
3. Use Accessed, Year for the year and Accessed, Month/Day for the rest of the date.