APA (7th ed.) Citation

Wambsganß, J., & Paczyński, B. (1994). Parameter degeneracy in models of the quadruple lens system Q2237+0305. The astronomical journal, 108(4), .

Chicago Style (17th ed.) Citation

Wambsganß, Joachim, and Bohdan Paczyński. "Parameter Degeneracy in Models of the Quadruple Lens System Q2237+0305." The Astronomical Journal 108, no. 4 (1994).

MLA (9th ed.) Citation

Wambsganß, Joachim, and Bohdan Paczyński. "Parameter Degeneracy in Models of the Quadruple Lens System Q2237+0305." The Astronomical Journal, vol. 108, no. 4, 1994.