Contact your subject librarian - we're happy to make an appointment to talk about your research, including choosing your topic and finding your sources. You can also chat with us (below) or visit the desk at any library.
The UWC (located on the main floor of PCL) can help with your writing. Undergraduates can make an unlimited number of appointments (up to 2 per assignment).
The Purdue Online Writing Lab (OWL) is a collection of information on how to write and cite. Click on APA or MLA guide in the lower left corner for example citations in those styles.