This interactive tutorial from Clark College takes about 20 minutes to complete. It defines plagiarism, discusses the types of sources you must cite, citation styles, and asks questions throughout to check on your learning.
This tutorial from UNC takes about 25 minutes to complete. You'll be able to define plagiarism, identify situations where plagiarism could occur, and understand why citing references is necessary in academic research. There are self-check questions throughout and a short quiz to complete at the end.