As a scholar, you cite sources to give credit to the authors and works your consulted, and to enable the reader to locate those sources
It is an issue of academic respect and courtesy and because failure to do so can lead to punishment under Binghamton University's Code of Academic Honesty.
Your professor may require that you use a certain citation format, such as APA, MLA or Chicago Style. If they do not require a specific format, select the format you are most comfortable with and use it consistently throughout your paper. When in doubt, consult the official style manual, which contains information how to format a paper (headings, spacing, font, language, etc) You can also consult this guide for reliable and complete information about citations: