Citation Example for CIA Factbook
Central Intellegence Agency. "Name of Your Country." The World Factbook. CIA, 29 Apr. 2013. Web. 7 May 2013. <https://www.cia.gov/library/publications/the-world-factbook/geos/ir.html>.
29 April 2013 refers to the date the page was last updated
7 May 3013 refers to the date of access (the date you used the page)
Substitute the name of your country