The first Chicago style consists of one note style, either foot- or end-notes, and a bibliography.
Political advisors were confident in their point-lead1.
1. Newton Minow and Craig LaMay, Inside the Presidential Debates: Their Improbable Past and Promising Future, (Chicago: University of Chicago Press, 2008), 24-25.
Footnotes/Endnotes are paired together with a bibliography at the end of the research publication. Make sure to consult the Bibliography section of this guide for assistance making your reference area.