Morales-Rueda, L., Marsh, T., & Billington, I. (2000). Spiral structure in IP Pegasi: How persistent is it? Monthly Notices of the Royal Astronomical Society, 313(3), 454. https://doi.org/10.1046/j.1365-8711.2000.03330.x
Chicago Style (17th ed.) CitationMorales-Rueda, L., T.R Marsh, and I. Billington. "Spiral Structure in IP Pegasi: How Persistent Is It?" Monthly Notices of the Royal Astronomical Society 313, no. 3 (2000): 454. https://doi.org/10.1046/j.1365-8711.2000.03330.x.
MLA (9th ed.) CitationMorales-Rueda, L., et al. "Spiral Structure in IP Pegasi: How Persistent Is It?" Monthly Notices of the Royal Astronomical Society, vol. 313, no. 3, 2000, p. 454, https://doi.org/10.1046/j.1365-8711.2000.03330.x.
Warning: These citations may not always be 100% accurate.