D. All of these things.
if the note cards are for citations or sources, then each element is needed.
For example: when citing a physical copy of a book (in MLA format at least) it’s important you include all relevant information. It would look like this: Author last name, First name. Title of Book/Magazine. Publisher, Publication Year. Print.
May 25, 2010 · Norbert Doyle is a pitcher who has toiled for years in the minor leagues before being brought up to pitch in the majors at the end of the baseball season. ... After 14-year-old reporters Stevie Thomas and Susan Carol Anderson score an interview with Doyle and his kids, they stumble