ZoteroBib Zotero's quick cite tool.
Zotero is a free citation management tool that can automatically import citations into your personal account, organize sources into folders, and generate bibliographies in a variety of citation styles. It also includes a word processor plugin for formatting footnotes and parenthetical citations.
Visit www.zotero.org to download the Zotero Firefox extension and to learn more about Zotero.
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There are 2 styles to choose from when using Chicago -- you need to ask your professor which style they would like you to use. The main differences between the styles are where the references are placed, where the dates are placed, and how the titles are capitalized.
1. Notes/Bibliography - Humanities: numbered footnotes or endnotes at the bottom of each page, with Bibliography or Works Cited list at the end of the paper, listing alphabetically the sources in your notes. Your professor may not require that you include a separate Works Cited list if all of the information is included in your footnotes -- but you may be asked to provide a bibliography of all sources consulted.
2. Reference List/Parenthetical (in-text citations) - Author/Date: in your text, brief references are listed consisting of the author's last name, publication year, and page(s) referred to, with an alphabetized Reference List at the end of your paper. The reference list at the end of your paper provides complete entries for works cited in parenthetical references.