ZoteroBib (or Zbib) is a free web service that helps you quickly create a bibliography in any citation style, including APA.
The following video comes from Mount Wachusett Community College. Remember that when the narrator mentions "our writing tutors," the Purdue equivalent is Purdue's Writing Lab tutors.
Microsoft Word
You can manually enter and save your information sources ("citations") in Microsoft Word, and then add citations while you write, and add a works cited/reference/bibliography list at the end. See tutorial below.
