APA (7th ed.) Citation

Hopkins, P. F., & Springel, V. (2005). Black holes in galaxy mergers: Evolution of quasars. The astrophysical journal, 630(2), . https://doi.org/10.1086/432438

Chicago Style (17th ed.) Citation

Hopkins, Philip F., and Volker Springel. "Black Holes in Galaxy Mergers: Evolution of Quasars." The Astrophysical Journal 630, no. 2 (2005). https://doi.org/10.1086/432438.

MLA (9th ed.) Citation

Hopkins, Philip F., and Volker Springel. "Black Holes in Galaxy Mergers: Evolution of Quasars." The Astrophysical Journal, vol. 630, no. 2, 2005, https://doi.org/10.1086/432438.