APA (7th ed.) Citation

Ludlow, A. D., Navarro, J. F., Springel, V., Jenkins, A., Frenk, C. S., & Helmi, A. (2009). The Unorthodox Orbits of Substructure Halos. The Astrophysical journal, 692(1), 931-941. https://doi.org/10.1088/0004-637X/692/1/931

Chicago Style (17th ed.) Citation

Ludlow, Aaron D., Julio F. Navarro, Volker Springel, Adrian Jenkins, Carlos S. Frenk, and Amina Helmi. "The Unorthodox Orbits of Substructure Halos." The Astrophysical Journal 692, no. 1 (2009): 931-941. https://doi.org/10.1088/0004-637X/692/1/931.

MLA (9th ed.) Citation

Ludlow, Aaron D., et al. "The Unorthodox Orbits of Substructure Halos." The Astrophysical Journal, vol. 692, no. 1, 2009, pp. 931-941, https://doi.org/10.1088/0004-637X/692/1/931.