Images from our subscription databases such as Artstor or AP Images are meant for educational use on our campus:
Not for public use such as blogs, Facebook, publication, etc. (without permission). Read the fine print to be sure, such as this collection's notice
A good source for "public use" images is Creative Commons. Read the fine print there too.
The Visual Resources Association has created a Fair Use Guideline document for teaching, research, and study.
Brief Citation based on International Federation of Library Associations and Institutions (IFLA):
Artist's Name (First and Last)
Title and Date
Museum Name and Location
Image Source and ID Number
Neck-Handled Amphora: Herakles & Cerberus, Ca. 510 B.C.
Musée du Louvre, Paris, France
Full document available at http://help.artstor.org/wiki/index.php/Citing
Style manuals may also give suggestions for format.