Answer:

"Macroeconomic Activity: Mexico." Mexico home page. Accessed: 17 February 2001. <http://www.countrywatch.com>.

Commentary:

Firstly, The page where the article was found should be characterized in some way.

Secondly, include the term "Accessed" before the date of access.

Thirdly, put the URL in carets and include the "http://" prefix.