APA (7th ed.) Citation

Ubachs, W. (2013). H2 as a Possible Carrier of the DIBs? Proceedings of the International Astronomical Union, 9(S297), 375. https://doi.org/10.1017/S1743921313016153

Chicago Style (17th ed.) Citation

Ubachs, W. "H2 as a Possible Carrier of the DIBs?" Proceedings of the International Astronomical Union 9, no. S297 (2013): 375. https://doi.org/10.1017/S1743921313016153.

MLA (9th ed.) Citation

Ubachs, W. "H2 as a Possible Carrier of the DIBs?" Proceedings of the International Astronomical Union, vol. 9, no. S297, 2013, p. 375, https://doi.org/10.1017/S1743921313016153.