Footnotes appear on the bottom of the page in which the sentence being cited appears. A number appears at the end of the sentence that corresponds with the citation at the bottom of the page.
Click where you want to reference to the footnote or endnote. On the References tab, select Insert Footnote or Insert Endnote.
Enter what you want in the footnote or endnote. Return to your place in the document by double-clicking the number or symbol at the beginning of the note.
Mac users should be able to follow the same directions above to insert footnotes and endnotes.