According to Dictionary.com, plagiarism is defined as:
–noun
1. the unauthorized use or close imitation of the language and thoughts of another author and the representation of them as one's own original work.
2. something used and represented in this manner.
To avoid plagiarism, you should always give credit to the source of the information. This can be done within the body of your text of by using a citation page.
By citing your information, you not only give credit to the original author, but you also give your reader the sources that you used if they may want to investigate on their own.
At Littleton Public Schools, the Modern Language Associations (MLA) method of citing sources is primariily used.