This is a reference card for zsh. It was created based on version 3.1.9 so is a little out-of-date. It is seven pages long, even with three columns per page, so you will need a very big piece of card to stick it to.
ZoteroBib is a free service that helps you build a bibliography instantly from any computer or device, without creating an account or installing any software.
E. Raad, R. Chbeir, and A. Dipanda. Proceedings of the 2010 13th International Conference on Network-Based Information Systems, page 297--304. Washington, DC, USA, IEEE Computer Society, (2010)
P. Haindl, G. Buchgeher, M. Khan, and B. Moser. Proceedings of the ACM/IEEE 44th International Conference on Software Engineering: New Ideas and Emerging Results, ACM, (May 2022)