Citation is your indication that certain material in your work came from another source. It also provides readers with the information necessary to find that source again. Giving credit to the original author by citing sources is the only way to use other people's work without plagiarizing.
The following situations almost always require citation:
Adapted from: Plagiarism.org
Here are some great resources to help with proper citation styles:
OWL: Excelsior Online Writing Lab
This handy open source guide from Excelsior College provides reference and instruction on conducting research, preventing plagiarism and use of APA, MLA and Chicago Style citations.
This research platform offers tools for note-taking, outlining, citation, document archiving/annotation and collaborative research and writing. You will need to create a personal account to save your work.
The Monmouth University Writing Center provides style sheets for writing, grammar, citation styles and the writing process on its Resources for Writers page. One-on-one assistance available by appointment.
This platform offers tools that assist with collecting, organizing and citing research as well as for collaborative research and writing. You will need to create a personal account to save your work.