You have to be especially careful when paraphrasing to avoid attributing to the writer ideas which are really your own. As with summary, you must stick as close as you can to the author's idea. Citation Formats Instructors often expect students to use a recognized style of citation format. The Writing Centre has pamphlets on these popular methods of formal citation. You don't need to back everything up.
Child abuse is a serious social problem.
Knowing when to use evidence is also a matter of judgement and common sense.