Hebecker, A., Jaeckel, J., & Wittner, M. (2022). Axions in string theory and the hydra of dark radiation. Arxiv.
Chicago Style (17th ed.) CitationHebecker, Arthur, Joerg Jaeckel, and Manuel Wittner. "Axions in String Theory and the Hydra of Dark Radiation." Arxiv 2022.
MLA (9th ed.) CitationHebecker, Arthur, et al. "Axions in String Theory and the Hydra of Dark Radiation." Arxiv, 2022.
Warning: These citations may not always be 100% accurate.