What is the most important reason to cite evidence in an argumentative essay?

To show your reader that you've done proper research by listing sources you used to get your information

Explanation:

Arguments are claims which are supported by reasons that are given by evidence. They are important because they show the reader that proper research has been done while collecting the information and to be a responsible scholar by giving credit to other researchers and accepting their ideas in your research. Evidence is not accepted until it is proved by providing correct information and sources.

to give credit for the ideas used to the appropriate sources in an organized format

Explanation:

i just did it