Harvard referencing is predominantly tool used in academic writing papers and is based on the author-date system for in-texting. This type of referencing is used in a wide array of subjects, from social sciences to humanities. tools available online help in generating accurate citation results. It proves to be beneficial in circumstances when the students are unaware of the citation format. Thus, if you are looking forward to preparing the reference list, you should take the help of the various referencing such as Harvard, MLA, websites.