Research tip: It's so important to keep track of your sources as you begin and throughout your research process. Because there are so many different print, media, and Internet sources, citing sources in the correct form and order can be confusing. Use this handy site (see below) to help you with your bibilography. Remember: O. Henry uses the APA format for Science and the MLA format for History and English. See Reference Links or Search Engines for the active link or copy and paste this address into your url address bar: http://www.easybib.com http://www.citationmachine.net