APA (7th ed.) Citation

Hrivnak, B. J., Lu, W., Bakke, W. C., & Grimm, P. J. (2022). Variability in Protoplanetary Nebulae. IX. Evidence for Evolution in a Decade. The Astrophysical journal, 939(1), 32-50. https://doi.org/10.3847/1538-4357/ac938a

Chicago Style (17th ed.) Citation

Hrivnak, Bruce J., Wenxian Lu, William C. Bakke, and Peyton J. Grimm. "Variability in Protoplanetary Nebulae. IX. Evidence for Evolution in a Decade." The Astrophysical Journal 939, no. 1 (2022): 32-50. https://doi.org/10.3847/1538-4357/ac938a.

MLA (9th ed.) Citation

Hrivnak, Bruce J., et al. "Variability in Protoplanetary Nebulae. IX. Evidence for Evolution in a Decade." The Astrophysical Journal, vol. 939, no. 1, 2022, pp. 32-50, https://doi.org/10.3847/1538-4357/ac938a.