Citavi is a reference management program for Microsoft Windowspublished by SwissAcademic Software in Wädenswil, Switzerland.Citavi is widely used in Germany, Austria, and Switzerland, with sitelicenses at most universities and also throughout the world.
Why I want to recommend Citavi ?
1. Management of reference types for common sourceslike books, articles,   lectures, audioor video documents, etc.
2.you can get the database of PubMed, Web of Science, etc.and library catalogs
3.you can easily edit directly in citavi
4. citavi works in every wordprocessor system like Microsoft Word,  OpenOffice and LibreOffice Writer, Scrivener, LaTeX editor,
5. Citavi can export data indifferent formats to other programs,[18] and Citavican import references from other reference management programs, either
directly, as from EndNote or BibTeX, or with an importfilter or via a RIS export file, as from Mendeley, ProCite, Reference Manager, RefMe, RefWorks, Zotero, and others.