APA (7th ed.) Citation

Robertson, B., & Springel, V. (2006). The evolution of the MBH-σ relation. The astrophysical journal, 641(1), . https://doi.org/10.1086/500348

Chicago Style (17th ed.) Citation

Robertson, Brant, and Volker Springel. "The Evolution of the MBH-σ Relation." The Astrophysical Journal 641, no. 1 (2006). https://doi.org/10.1086/500348.

MLA (9th ed.) Citation

Robertson, Brant, and Volker Springel. "The Evolution of the MBH-σ Relation." The Astrophysical Journal, vol. 641, no. 1, 2006, https://doi.org/10.1086/500348.