See "Make Citations" from the Research Process Tutorial series for more information on why accurate citations and important.
This interactive tutorials also helps you to identify information (e.g. author, titles, date ...) required for any citation style.
To see the whole tutorial series visit The Research Process guide. The guide also include "Info for Students" that explains how to make your tutorial results visible to your instructor.
Use this decision tree to determine when you need to cite.
* graphic from the UCSD's Library
Learn more about citing sources from this introduction for Cal State Fullerton's Pollak Library.