The information is listed on the website, look across the top banner and you will see a hyperlink "About" to information about the author of the website. His reference information is listed at the bottom of the webpage. Also below.

Referencing this site
To reference this site please use the following sample format...

Logan, Joseph T., Dec. 2001, The American Revolution - The Battle of Chelsea Creek [Use actual page title], Retrieved November 23, 2011 [use actual date you retrieved the imformation]
Website url: www.theamericanrevolutio...ledetail.aspx?battle=114 [use actual site URL]