APA (7th ed.) Citation

Janz, J., & Lisker, T. (2008). The sizes of early-type Galaxies. The astrophysical journal. Part 2, Letters, 689(1), . https://doi.org/10.1086/595720

Chicago Style (17th ed.) Citation

Janz, Joachim, and Thorsten Lisker. "The Sizes of Early-type Galaxies." The Astrophysical Journal. Part 2, Letters 689, no. 1 (2008). https://doi.org/10.1086/595720.

MLA (9th ed.) Citation

Janz, Joachim, and Thorsten Lisker. "The Sizes of Early-type Galaxies." The Astrophysical Journal. Part 2, Letters, vol. 689, no. 1, 2008, https://doi.org/10.1086/595720.