Copyright: paraphrasing and citations are necessary. Do not copy/paste text from another website or source - paraphrasing and citation is necessary.
Neutral point of view: all articles must be written from a neutral point of view, representing views fairly and without bias.
Verifiability: all articles must have citations from verifiable, reliable sources.
Usually, academic and peer-reviewed articles are the most reliable sources. Other sources include textbooks, magazines, journals, newspapers, and books.
No original research: all articles must link to reliable, published sources. Articles may not contain your own interpretation or new analysis of published material.
Conflict of interest: You should not edit pages that represent a conflict of interest.
Beginner's guide to Wikipedia - Everything you need to know to get started.
Wiki markup cheatsheet - Refer to this cheatsheet as you create and edit articles.
Your first article - Starting from scratch? Learn how to create an article on Wikipedia.
Editing on Wikipedia - Best practices for editing existing articles.
Citing sources - How to craft references for Wikipedia articles.
Art + Feminism YouTube Channel - Tutorials to guide you through the basics of editing on Wikipedia.
Feeling stuck? Don't hesitate to ask for help!