Using the work, words, opinions, theories, or ideas of others without properly giving credit is plagiarism. To avoid plagiarism, you must be diligent to use quotations and cite your sources. Paraphrasing is acceptable but still requires citation and changes from the original must be significant enough to take on your personal writing style (that is, it must 'sound' like you).
For original research papers, quoting extensively from another source is generally not appropriate. Please consult with your professor if you are unsure about quotation length.
For more information see:
Avoiding plagiarism requires the use of a consistent citation style. While there are many different citation style guides (e.g., MLA, APA, Chicago), the Seminary expects students to follow Turabian: