Citation styles (MLA, APA, Chicago, etc) generally require the same basic elements for each source type. The order of the elements differs as do the mechanics involved in representing the source. Citation builders, such as EasyBib, NoodleTools Express, Ebscohost Cite, etc. seem to simplify the construction of a references list; however, there are often errors that need to be corrected. Use the APA tutorial below to learn the proper formatting, order, and mechanics of the elements of a citation.