Verifiability
Why references are important
Adding references
Automatically or manually
Editing existing ones
Always room for improvement
Reusing references
Some are just really useful
Reliable sources
Which sources are good enough?
Summary
Review of what you've learned
There are currently over 528,520 articles that have statements that need citations. The Citation Hunt tool makes referencing those statements easier by suggesting random articles which you can work on. Practice your new skills by helping us solve a "Citation needed" issue: