The practice of taking someone else's work or ideas and passing them off as one's own.
Taken from: http://www.oxforddictionaries.com/us/definition/american_english/plagiarism
Find on shelfCirculating - PN171 .F56 L56 2008
Find on shelfCirculating - PN171 .F56 N48 2010
These are great resources for learning about plagiarism and how to cite your research.