Final answer:
A parenthetical notation documents someone else's ideas or words in your paper by putting it in a footnote or endnote.
Step-by-step explanation:
The correct answer is D) In a footnote or endnote.
A parenthetical notation documents someone else's ideas or words in your paper by putting it in a footnote or endnote. This allows you to provide additional information or citations without interrupting the flow of the main text. It also helps readers locate the original source for verification.