Look no further, NoodleTools.com is here to save you! NoodleTools is a free "bibliography composer" which can cite sources in MLA, APA, or Chicago/Turabian style. The site is extremely user friendly, and has a user's guide, as well as tutorials, and Power Point slides.
Under the NoodleBib Express section, the site lists every kind of source, ranging from a book, to Wikipedia, to music videos. Once you select the citation style you'll use, the site breaks down the information and reorganizes it for you. All you have to do is fill in the necessary fields such as author, title, year of publication, etc. and voil: NoodleTools does the rest. The finished product is a generated citation and the site allows you to open it as a Word document.
Now, if only there was a website to make your son not wait until the last minute to get started on his history report.