APA (7th ed.) Citation

Unda-Sanzana, E., Marsh, T. R., & Morales-Rueda, L. (2006). Optical spectroscopy of the dwarf nova U Geminorum. Monthly Notices of the Royal Astronomical Society, 369(2), 805. https://doi.org/10.1111/j.1365-2966.2006.10336.x

Chicago Style (17th ed.) Citation

Unda-Sanzana, E., T. R. Marsh, and L. Morales-Rueda. "Optical Spectroscopy of the Dwarf Nova U Geminorum." Monthly Notices of the Royal Astronomical Society 369, no. 2 (2006): 805. https://doi.org/10.1111/j.1365-2966.2006.10336.x.

MLA (9th ed.) Citation

Unda-Sanzana, E., et al. "Optical Spectroscopy of the Dwarf Nova U Geminorum." Monthly Notices of the Royal Astronomical Society, vol. 369, no. 2, 2006, p. 805, https://doi.org/10.1111/j.1365-2966.2006.10336.x.