Since your research notes are the basis of your paper, it is essential that in your notes you distinguish between your ideas and the material culled from other sources. When taking notes, always use direct quotation marks if you are quoting directly. This avoids a time crunch in which error and omission can occur. Always submit separate papers for different courses. The use of a single paper, or even parts of it, for more than one course is prohibited, unless instructors' permission is obtained in advance.
Many good sources instructing on proper form for source citation are readily available.
A half dozen are listed below. The Practical Stylist . Ebbitt, David and Ebbitt, Wilma. Index to English . Concise English Handbook .