Use BOTH these guides to help you properly cite your sources. Remember- you have:
1.) a works cited page at the end of your paper with a long list of full citations
2.) a brief in-text citation in your paper after a quoted or paraphrased sentence from a specific source.
Below are links that will help you in formatting your papers to MLA format:
If you're using information from a single source more than once in succession (i.e., no other sources referred to in between), you can use a simplified in-text citation.
Cell biology is an area of science that focuses on the structure and function of cells (Smith 15). It revolves around the idea that the cell is a "fundamental unit of life" (17). Many important scientists have contributed to the evolution of cell biology. Mattias Jakob Schleiden and Theodor Schwann, for example, were scientists who formulated cell theory in 1838 (20).