You always have the most control over the accuracy of your citations when you do it by hand using the selected style manual (below).
Purdue OWL: Formatting in ASA - references and in-text citation help
American Sociological Association - quick tips for ASA style as a pdf
ProQuest RefWorks is a citation management tool. It helps you keep track of all your sources. There are many different ones out there, but RefWorks is the only one support by SU Libraries.You can check out this guide for help or ask a librarian!