Invest time in learning how to cite sources correctly to prevent plagiarism.
Read: What is Plagiarism? - Turnitin
See: Academic Integrity - Miami University Guide
1.5.B.2 Acts of Academic Integrity, Written and other assignments - the Miami University Student Handbook
b. Plagiarism: presenting as one’s own the work, the ideas, the representations, or the words of another person/source without proper attribution.
Also see Miami University's Academic Integrity website.