If you use Zotero for research and writing, this book will serve you well:
Jason Puckett. Zotero: A Guide for Librarians, Researchers and Educators. Chicago: American Library Association, 2011.
Jason Puckett is the the Communication Librarian at Georgia State University Library in Atlanta, where he teaches library classes on research and information literacy skills, bibliographic software, and library technology topics.
If you don’t want to buy a personal copy, at least request that your library (school or public) add it to their collection. It’s readable and well-organized.
Related: “Why You Should Organize Your Personal Theological Library and a Way How”