https://creativecommons.org/share-your-work/cclicenses/

You probably want the SA (share-alike) or NC-SA (non-commercial share-alike) but take a look and decide what suits you best.

From https://creativecommons.org/faq/#do-i-have-to-provide-my-name-can-i-ask-that-my-name-be-removed :

Do I have to provide my name? Can I ask that my name be removed?

As a licensor, you may choose to receive under any name that you wish, such as a pseudonym or pen name, or you may choose not to be credited by name at all, and to publish anonymously. You do not have to be credited under your legal name. Most jurisdictions permit this, but you should check to be sure this is valid in your jurisdiction.