Question

which of the following is true about using a paraphrase of a writer's or ideas? 1.i can use it in my paper without quotation marks. 2. i can use it in my paper without giving credit to the original author. 3.i have to format it in some special way to show that it is a paraphrase. 4.i can use it in my paper without quotation marks, but i must give credit to the original author