Published records are generally identified by title, so this is given first in citations, followed by the editor. An article is traced through the title of the journal or newspaper in which it appears. So it is the journal title which is picked out in italic type. Give page numbers . The reader will not want to search an entire book for the information you quote.
Unpublished sources are either unique or rare.
Manuscripts, paintings, architect's plans, unpublished reports or theses are found by going to the place where they are stored. So the location is of primary importance and is given first, followed by its catalogue reference or description. They should never be given in italics , which suggests a publication and could cause the reader to search fruitlessly in library catalogues for it. Common confusions . DO NOT give the location in which you personally perused a published work or its catalogue number in your favourite library.