Citing sources is in important aspect of being a responsible scholar. It shows your reader that you have done proper research, gives credit to other researchers and acknowledges their ideas. Citing your sources also allows your reader to track down those sources him or herself if they would like additional information on your topic.
How to Cite a Professional Site: "Old Faithful." National Park Service. National Park Service, 3 Aug 2010. Web. 28 Aug. 2012.
<http://www.nps.gov/crla/>.
How to Cite a Personal Site: Donald, Jane. "Old Faithful." Jane’s Travelogue. Jane Donald, n.d. Web. 2 Jun. 2014.