APA (7th ed.) Citation

Ricci, D., Liebig, C., Wambsganß, J., Zimmer, F., & Zub, M. (2011). Flux and color variations of the quadruply imaged quasar HE 0435-1223. Astronomy and astrophysics, 528(?), . https://doi.org/10.1051/0004-6361/201016188

Chicago Style (17th ed.) Citation

Ricci, Davide, Christine Liebig, Joachim Wambsganß, Fabian Zimmer, and Marta Zub. "Flux and Color Variations of the Quadruply Imaged Quasar HE 0435-1223." Astronomy and Astrophysics 528, no. ? (2011). https://doi.org/10.1051/0004-6361/201016188.

MLA (9th ed.) Citation

Ricci, Davide, et al. "Flux and Color Variations of the Quadruply Imaged Quasar HE 0435-1223." Astronomy and Astrophysics, vol. 528, no. ?, 2011, https://doi.org/10.1051/0004-6361/201016188.

Warning: These citations may not always be 100% accurate.