In general, you are welcome to use/reprint any of the information found in the Family Caregiving section of eXtension.org with proper attribution.
In the absence of an author or authors listed on the article, a suggested citation might be:
eXtension. (n.d.) Insert title of article here. Retrieved insert date here from insert link here.
Example:
eXtension. (n.d.). Stress and Decision Making after a Disaster. Retrieved 11 June 2008 from http://www.extension.org/pages/Stress_and_Decision_Making_After_a_Disaster.