"Citing the reference is the major part of the research paper and report writing. It is acknowledging purpose of giving due credit to the other sources and authors in which they have supported you and contributed to your research and publication. When citing and reference there are numbers various methods are adopted for citation styles, and format of references. Plagiarism will come out if not quoted published work. There are many reference management tools are available for capturing the right source, citing and making list of references."