These printable PDF documents have instructions related to the basics of Wikipedia.
Wiki markup quick reference – This one-page quick reference (included in the Welcome to Wikipedia brochure) helps you to remember the most frequently used wiki markup codes.
References – This handout explains why references are important, what the expectations for sourcing on Wikipedia are, where to place references, and the basics of adding "ref" tags.
Reference formatting – This handout explains in more detail how to create footnotes for citing sources, and how to cite the same source multiple times.
How to get help – explains the recommended way to get help and feedback. It also includes a glossary of additional help resources you can avail yourself of.
Plagiarism – explains what plagiarism is on Wikipedia—including "close paraphrasing"—in addition to why and how to avoid it.