My English teacher colleague grew up in Oregon and this site was highly regarded by the locals for its ease of use and factual information. When she moved to Indiana, she brought the information with her and sends her students here to do their citations. It offers users a simple format to get started on a research process. There is also a location to cite sources. Unlike the Purdue cite, OSLIS has it's own citation maker.
Users merely search for a specific format on the sitebar and input the necessary information. Voila, you have a citation. The hardest part here is training students to log the right information. If we start them young, and continue the process, they will learn it and master it.
A few things to note, the graphics are a bit elementary. I can already imagine a high school student telling you it's immature and such because the graphics are child like. I just tell them the information is good and worthwhile so just use the site!
Next in the series: Easybib as a means of citing.