APA (7th ed.) Citation

Snow, T. P. (2013). Diffuse Interstellar Bands: Past and Present. Proceedings of the International Astronomical Union, 9(S297), 3. https://doi.org/10.1017/S1743921313015512

Chicago Style (17th ed.) Citation

Snow, T. P. "Diffuse Interstellar Bands: Past and Present." Proceedings of the International Astronomical Union 9, no. S297 (2013): 3. https://doi.org/10.1017/S1743921313015512.

MLA (9th ed.) Citation

Snow, T. P. "Diffuse Interstellar Bands: Past and Present." Proceedings of the International Astronomical Union, vol. 9, no. S297, 2013, p. 3, https://doi.org/10.1017/S1743921313015512.