Fair use
Reasonable use of a copyrighted work
Important aspect is that granted permission for longer excerpts by copyright owner
No need to get permission from copyright owner if following guidelines of fair use and including proper citations
For example, fair use permits quotation of only brief passage, small % of an article, book, or e-mail message
Plagiarism
Using someone else’s words without proper citation
or using a paper written by another person
Failure to use quotation marks and citations
Cutting and pasting paragraphs from articles and patching them together
Using ghostwriter to write a paper