JFK foreign policy - Cuban Missle Crisis.  Look at the topic and determine the search terms and phrases needed to locate secondary sources. Then provide three secondary sources in proper Turabian format for a bibliographic entry. Next, you will locate an archive or digital collection for the topic and, from within the collection, provide a citation to a single primary source document in proper Turabian format.  Remember, you cite the document as part of the collection, not simply the collection as a whole.