This introduction to plagiarism from the University of Nebraska-Lincoln Graduate Office is for all University of Nebraska-Lincoln students. It defines plagiarism, explains why it is a violation of academic integrity and the Student Code of Conduct, and shows you how to avoid it.
https://www.unl.edu/gradstudies/current/integrity#plagiarism
Citing sources properly wil help you avoid plagiarism and allow others to follow up on your work. To learn more, see the tutorials below.
Goblin Threat Game 
This entertaining game on plagiarism, developed by Snowden Library for Lycoming College students, is recommended for everyone. https://www.lycoming.edu/library/instruction/tutorials/plagiarismGame.aspx
Virtual Academic Integrity Laboratory
The Academic Integrity Tutorial includes four text-based modules on understanding academic integrity, plagiarism and cheating; tips on avoiding plagiarism; documentation styles; and academic policies. It ends with a quiz. https://www.umgc.edu/current-students/learning-resources/academic-integrity/tutorial