APA (American Psychological Association) 7th edition is used in the areas of the behavioral and social sciences.
You must have both the in-text citations and the References page which is a list of all sources you used for your paper.
Check out the Gallaudet English Center: Words that introduce quotes or paraphrases, Guide to paraphrasing, How to avoid plagiarism, and other writing resources.
Why Do We Need to Cite Sources for Papers or Presentations?
How Do You Incorporate Sources Within Your Paper or Presentation?