Thanks for asking!
This is really important for us because it allows us to understand how the community is using OpenAlex and helps us demonstrate impact to our funders, which in turn helps keep OpenAlex free for you. Please use this citation when citing us:
Priem, J., Piwowar, H., & Orr, R. (2022). OpenAlex: A fully-open index of scholarly works, authors, venues, institutions, and concepts. ArXiv. https://arxiv.org/abs/2205.01833