You need to know the following information:
The document: The creator or author, specific item title, page, section, date.
Box and file number: The majority of materials found in archives, that are not books, are housed in some sort of container and within the container the various items are separated for various reasons in files.
Repository: This is the name of the archives.
An example document could be...
Collection: George Ade Papers, 1878-2007
Series: Series 2: Correspondence, ca. 1882-1947; n.d.
Box: Box 10: Correspondence, Sto-U, ca. 1894-1943
File: Folder 5: Tarkington, Booth, ca. 1905-1943
Archives: The Virginia Kelly Karnes Archives and Special Collections Research Center. Purdue University Libraries. West Lafayette, Indiana.
The above Booth Tarkington letter shown here could be cited in the following ways:
Chicago Manual of Style:
Booth Tarkington to George Ade, 8 May 1924, Box 10, Folder 5, George Ade Papers 1878-2007, The Virginia Kelly Karnes Archives and Special Collections Research Center, Purdue University Libraries.
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Citing a digital object:
The best way of citing this document as a digital object using the Chicago Manual of Style is to add the Reference URL at the end of the citation.
