APA (7th ed.) Citation

Bartelmann, M., & Leyb, A. (1996). Gravitational lensing of quasi-stellar objects by their damped Lyα absorbers. The astrophysical journal, 457, .

Chicago Style (17th ed.) Citation

Bartelmann, Matthias, and Avraham Leyb. "Gravitational Lensing of Quasi-stellar Objects by Their Damped Lyα Absorbers." The Astrophysical Journal 457 (1996).

MLA (9th ed.) Citation

Bartelmann, Matthias, and Avraham Leyb. "Gravitational Lensing of Quasi-stellar Objects by Their Damped Lyα Absorbers." The Astrophysical Journal, vol. 457, 1996.