APA (7th ed.) Citation

Mazzotta Epifani, E., Snodgrass, C., Perna, D., Dall’Ora, M., Palumbo, P., Della Corte, V., . . . Rotundi, A. (2016). Photometry of the Oort Cloud comet C/2009 P1 (Garradd): Pre-perihelion observations at 5.7 and 2.5 AU. Planetary & Space Science, 132, 23. https://doi.org/10.1016/j.pss.2016.07.007

Chicago Style (17th ed.) Citation

Mazzotta Epifani, E., C. Snodgrass, D. Perna, M. Dall’Ora, P. Palumbo, V. Della Corte, A. Alvarez-Candal, M. Melita, and A. Rotundi. "Photometry of the Oort Cloud Comet C/2009 P1 (Garradd): Pre-perihelion Observations at 5.7 and 2.5 AU." Planetary & Space Science 132 (2016): 23. https://doi.org/10.1016/j.pss.2016.07.007.

MLA (9th ed.) Citation

Mazzotta Epifani, E., et al. "Photometry of the Oort Cloud Comet C/2009 P1 (Garradd): Pre-perihelion Observations at 5.7 and 2.5 AU." Planetary & Space Science, vol. 132, 2016, p. 23, https://doi.org/10.1016/j.pss.2016.07.007.