1)The author,
2)title (of the piece, publication, or website),
3)publisher,
4)copyright date,
5)date accessed (for Internet sources only),
6)the location of the source (in case you want to find it again),
7)the volume, issue, edition, and page number (for print sources) or URL (for Internet sources) are <span>most important information to be recorded in order to avoid any trouble.</span>