For a References page, your citations need to be double spaced and have a hanging indent. A hanging indent just means that every line after the first in your citation is indented 0.5".
In Microsoft Word (PC or Mac), highlight your citation and right click on it. Select "Paragraph" in the menu that appears, then under "Indentation" click on the Special drop down and select "Hanging". Make sure the "By" field is set to 0.5".
The bibliography appears on the last page(s) of a paper and provides readers with full citation information for the sources cited throughout the paper. General formatting rules for a bibliography follow: