Your research paper should conform to the Author-Date style of The Chicago Manual of Style.
Go to the Quick Guide for information on using this style for your paper and your bibliography citations.
To see a sample paper that shows formatting and the use of citations in the Author-Date style, go here.
For more information, go to the library guide, Citing Sources - Chicago. Under each left-hand tab, select the tab for the Author-Date style.across the top of the page.