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High School Guest User Guide to Library Resources

Citation builder and citation Samples in CSE, APA, and MLA styles. Created by University of North Carolina.
A free, easy-to-use tool to help you collect, organize, cite, and share your research sources. Access it from anywhere.
Excelsior Online Writing Lab (OWL) includes instructional videos that show you how to set up your papers, interactive checklists, and visual support for both in-text citations and references at the end of your paper.


Plagiarism is the uncredited use (both intentional and unintentional) of another person's words or ideas.  Academic honesty is taken extremely seriously at the university level. A charge of plagiarism can come with severe consequences, including expulsion.

When and What Do I Cite?

Cite anytime you write or create something that uses or refers to the ideas of another person. Simply listing a source in your bibliography is not adequate acknowledgment of that source. You must cite each individual use of an outside source.

Examples of When to Cite:

  • The use of words or ideas presented in a magazine, book, newspaper, song, documentary, television show, movie, webpage, computer program, letter, interview, advertisement, or any other medium, even if you are just paraphrasing or providing a summary of a work.

  • When you copy the exact words or a unique phrase, direct quotations.

  • When you reprint any diagrams, illustrations, charts, pictures, or other visual materials.

  • When you reuse or repost any electronically-available media, including images, audio, video, etc.

  • When you reuse facts, information, and data gathered by someone else.

  • When you use another student's work.

  • When you use your own previous work.

You do not need to cite information that is common knowledge. However, when in doubt, cite.