Accurately quote the original author's words.
Enclose the quotation within quotation marks.
Follow the quotation with an in-text citation.
Introduce the quotation with a phrase that includes the author' name (e.g., Baxter argues that...)
Provide a list of references with full citation information at the end of the paper.
Paraphrasing or summarizing doesn't mean just changing a couple of words from the original work.
Acknowledge the source through in-text citations immediately following the paraphrase.
Review some good examples of paraphrasing and learn the techniques that will improve your paraphrasing.
This one-minute video clarifies how to cite when you cite another author's words or another author's ideas.