If you are using Microsoft Word to write a paper adhering to the Chicago Manual of Style (CMS) guidelines for citations that appear in the endnotes section of the paper, references to endnotes should be made in the paper using Arabic numerals at the end of sentences with the numbers put in superscript.
Example
Ludwig considered it an honor that his books were among those burned by the Nazis in 1933.1
Endnote
1. Emil Ludwig, Three Portraits: Hitler, Mussolini, Stalin (New York: Alliance Book Corporation: 1940), 49.
You can configure Microsoft Word for CMS style citations by clicking on the References tab and then selecting a Chicago option for the Style option. Microsoft Word 2010 lists "Chicago Fifteenth Edition" as the CMS option.
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