APA (7th ed.) Citation

Wambsganß, J., Paczyński, B., & Katz, N. (1990). A microlensing model for QSO 2237 + 0305. The astrophysical journal, 352(?), .

Chicago Style (17th ed.) Citation

Wambsganß, Joachim, Bohdan Paczyński, and Nick Katz. "A Microlensing Model for QSO 2237 + 0305." The Astrophysical Journal 352, no. ? (1990).

MLA (9th ed.) Citation

Wambsganß, Joachim, et al. "A Microlensing Model for QSO 2237 + 0305." The Astrophysical Journal, vol. 352, no. ?, 1990.