Zotero provides the ability to save sources from catalogs, databases, and other websites with one click.
You can then organize and edit the citation entries, which makes it great for annotated bibliographies, research papers, and more!
The Citation Style Guide has plenty of information to help you better understand the citation style your professor is asking for.
Purdue OWL: Formatting in ASA - references and in-text citation help
American Sociological Association - quick tips for ASA style as a pdf
For writing assistance, stop by the University Writing Center, located on the second floor of the Guerrieri Academic Commons.