Maxted, P., Burleigh, M., Marsh, T., & Bannister, N. (2002). PG 1115+166 – a long-period DA+DB binary. Monthly Notices of the Royal Astronomical Society, 334(4), 833. https://doi.org/10.1046/j.1365-8711.2002.05545.x
Chicago Style (17th ed.) CitationMaxted, P.F.L, M.R Burleigh, T.R Marsh, and N.P Bannister. "PG 1115+166 – a Long-period DA+DB Binary." Monthly Notices of the Royal Astronomical Society 334, no. 4 (2002): 833. https://doi.org/10.1046/j.1365-8711.2002.05545.x.
MLA (9th ed.) CitationMaxted, P.F.L, et al. "PG 1115+166 – a Long-period DA+DB Binary." Monthly Notices of the Royal Astronomical Society, vol. 334, no. 4, 2002, p. 833, https://doi.org/10.1046/j.1365-8711.2002.05545.x.
Warning: These citations may not always be 100% accurate.