How should evidence be integrated into an argumentative essay?

d) By directly copying from other sources without citation

b) With proper citation to acknowledge the source

a) Without citation, as the author's original thoughts

c) By paraphrasing without citation

b) With proper citation to acknowledge the source

It is important to integrate evidence into an argumentative essay with proper citation to acknowledge the source. This shows respect for the original author and ensures transparency and credibility in the argument being made. By citing sources, readers can also verify the accuracy and reliability of the evidence presented.