APA (7th ed.) Citation

Collaboration, T. E. H. T., Akiyama, K., Alberdi, A., Alef, W., Algaba, J. C., Anantua, R., . . . Zhao, S. (2023). First M87 Event Horizon Telescope Results. IX. Detection of Near-horizon Circular Polarization. The Astrophysical Journal Letters, 957(2), L20. https://doi.org/10.3847/2041-8213/acff70

Chicago Style (17th ed.) Citation

Collaboration, The Event Horizon Telescope, et al. "First M87 Event Horizon Telescope Results. IX. Detection of Near-horizon Circular Polarization." The Astrophysical Journal Letters 957, no. 2 (2023): L20. https://doi.org/10.3847/2041-8213/acff70.

MLA (9th ed.) Citation

Collaboration, The Event Horizon Telescope, et al. "First M87 Event Horizon Telescope Results. IX. Detection of Near-horizon Circular Polarization." The Astrophysical Journal Letters, vol. 957, no. 2, 2023, p. L20, https://doi.org/10.3847/2041-8213/acff70.

Warning: These citations may not always be 100% accurate.