You cite your sources:
Plagiarism is presenting another person’s words and/or ideas as your own words/ideas – either deliberately OR unintentionally.
To avoid plagiarism, give credit in your paper to the person whose words and/or ideas you have made use of. In other words, cite your sources. You must cite any source that contributed significantly to the ideas in your own paper, even if you don't quote directly from that source.
See Plagiarism Prevention from OnlineColleges.net for more information.
MLA Style ( Handbook for Writers of Research Paper)
APA Style (Publication Manual of the American Psychological Association)
Chicago Style (The Chicago Manual of Style Online)
For more guidance, please review Citing Your Sources Guide.
The Emory Writing Center aims to:
Zotero, a Firefox add-on, collects, manages, and cites research sources. Zotero allows you to attach PDFs, notes and images to your citations, organize them into collections for different projects, and create bibliographies using Word or Open Office.
EndNote is a program that makes it possible to collect and organize references in a database and instantly create properly formatted bibliographies.