Notes and Bibliography format uses footnotes or endnotes, and a bibliography at the end fo the work. The first note includes the full citation information, and subsequent notes use a shortened form. This format is used by scholars in the arts, history, and humanities. Here are examples for a book and a journal article:
Author-Date format uses parenthetical in-text citations, and a reference list at the end of the work. This format is used by scholars in the social sciences and sciences. Here are examples for a book and a journal article:
For more examples, see the full Author-Date style guide.