Making a search plan
As many students before you, you will want to use the work of third parties as input. Read here how to do that correctly.
APA 7th Citation Examples contains reference examples for the most common document types to help you make correct in-text references…
How to cite
Scientific writing requires evidence. You cannot just make it up! References to other publications show that you are aware of the background of your topic, of current research, and of relevant official data. It also shows that you know how to use all that information to support your findings.