APA (7th ed.) Citation

Hummel, C. A., & Quirrenbach, A. (1992). The Superluminal motion and large-scale structure: Superluminal motion and large-scale structure. Astronomy & astrophysics, 257(2), .

Chicago Style (17th ed.) Citation

Hummel, Christian A., and Andreas Quirrenbach. "The Superluminal Motion and Large-scale Structure: Superluminal Motion and Large-scale Structure." Astronomy & Astrophysics 257, no. 2 (1992).

MLA (9th ed.) Citation

Hummel, Christian A., and Andreas Quirrenbach. "The Superluminal Motion and Large-scale Structure: Superluminal Motion and Large-scale Structure." Astronomy & Astrophysics, vol. 257, no. 2, 1992.