APA-Zitierstil (7. Ausg.)

Hopkins, P. F., & Springel, V. (2005). Luminosity-dependent quasar lifetimes: Reconciling the optical and X-ray quasar luminosity functions. The astrophysical journal, 632(1), . https://doi.org/10.1086/432755

Chicago-Zitierstil (17. Ausg.)

Hopkins, Philip F., und Volker Springel. "Luminosity-dependent Quasar Lifetimes: Reconciling the Optical and X-ray Quasar Luminosity Functions." The Astrophysical Journal 632, no. 1 (2005). https://doi.org/10.1086/432755.

MLA-Zitierstil (9. Ausg.)

Hopkins, Philip F., und Volker Springel. "Luminosity-dependent Quasar Lifetimes: Reconciling the Optical and X-ray Quasar Luminosity Functions." The Astrophysical Journal, vol. 632, no. 1, 2005, https://doi.org/10.1086/432755.