There are several reference styles in Microsoft Word
2007. The list includes the Chicago Manual of Style, a
veteran style reference that has been published by the University of
Chicago Press since 1906. The MLA is another reference style
that is published by the Modern Language Association.
The APA style is published by the America
Psychology Association and is used for social science papers
and dissertations. The APA style uses
Harvard referencing: the author-date system of
citations and parenthesis.