APA (7th ed.) Citation

Wambsganß, J., Cen, R., & Ostriker, J. P. (1999). Gravitational lensing as a cosmological tool. Cosmological parameters and the evolution of the universe.

Chicago Style (17th ed.) Citation

Wambsganß, Joachim, Renyue Cen, and Jeremiah P. Ostriker. "Gravitational Lensing as a Cosmological Tool." Cosmological Parameters and the Evolution of the Universe 1999.

MLA (9th ed.) Citation

Wambsganß, Joachim, et al. "Gravitational Lensing as a Cosmological Tool." Cosmological Parameters and the Evolution of the Universe, 1999.