There are many different "Citation Styles." Each style has its own guidelines on how to insert references in the text and how to construct the list of references at the end of the paper. The style you use in your paper depends largely on what is required by the instructor. The golden rule is that whatever style you use be consistent. As mentioned, previously, there is no general citation style for all the disciplines in engineering and the ENGR 101 instructors have decided to use the APA style. For some general information on citaton styles check out the CSULB guide Style Manuals and Citation Methods and the APA Guide which has many useful links to guides from other libraries.
The APA format for documenting information used in your term paper (or any research paper) consists of the following elements: