APA (7th ed.) Citation

Hopkins, P. F., & Springel, V. (2005). Luminosity-dependent quasar lifetimes: A new interpretation of the quasar luminosity function. The astrophysical journal, 630(2), . https://doi.org/10.1086/432463

Chicago Style (17th ed.) Citation

Hopkins, Philip F., and Volker Springel. "Luminosity-dependent Quasar Lifetimes: A New Interpretation of the Quasar Luminosity Function." The Astrophysical Journal 630, no. 2 (2005). https://doi.org/10.1086/432463.

MLA (9th ed.) Citation

Hopkins, Philip F., and Volker Springel. "Luminosity-dependent Quasar Lifetimes: A New Interpretation of the Quasar Luminosity Function." The Astrophysical Journal, vol. 630, no. 2, 2005, https://doi.org/10.1086/432463.