Most of the databases Niles North subscribes to will create the source citations for you. Look for the following tabs: Citation Tools, Generate Citation, Cite Now!, etc. Click on the tab and copy and paste the source citation into your Bibliography / Works Cited page. If you are using a database that does not cite for you, use a free online citation maker (Easybib, Knightcite).
Example of an Online Database Citation
Junge, Wolfgang, and Nathan Nelson. “Nature's Rotary Electromotors.” Science 29 Apr. 2005: 642-44. Science Online. Web. 5 Mar. 2009.
Questions to ask about ANY information:
Any source, whether a library database or website, can have good information. It is necessary to think critically about all information that you read or view.