Citation managers such as Zotero and EndNote can help you keep track of sources and make the writing and citing process easier.
Citation managers help you to:
Store, organize and manage references including tables, charts/figures, images, and PDFs in one place
Two popular citation managers are EndNote and Zotero. Wikipedia has a comprehensive list of citation managers, also called reference management software.
MS Word has a toolbar feature that enables you to automatically create citations and bibliographies
Go to References