Your professor wants you to consistently use one citation style for your research paper assignment. Common styles are Chicago, MLA, or APA style.
Why cite?
Scholarship is a conversation, and you are responsible for providing the context for your readers, as follows:
NoodleTools is an online application that helps you create citations and reference lists step-by-step. Try it, you'll like it!
Example for an image from the web
Fig 1. Avenue in the Park of Schloss Kammer = Allee im Park vor Schloss Kammer. Gustav Klimt. 1912. Digitales Belvedere [online]. Vienna: Austria. [cited 10 Jan. 2013]. Available from World Wide Web: (http://digital.belvedere.at/emuseum/).
Source: ArtSTOR Help>Citing
Image from the Cardiff University Information Services page at http://sites.cardiff.ac.uk/ilrb/resource/citingflowchart/