APA (7th ed.) Citation

Grouchy, R., & Buta, R. (2006). A Photometric and Spectroscopic Study of Non-barred Ringed Galaxies. Proceedings of the International Astronomical Union, 2(S235), 100. https://doi.org/10.1017/S1743921306005357

Chicago Style (17th ed.) Citation

Grouchy, R., and R. Buta. "A Photometric and Spectroscopic Study of Non-barred Ringed Galaxies." Proceedings of the International Astronomical Union 2, no. S235 (2006): 100. https://doi.org/10.1017/S1743921306005357.

MLA (9th ed.) Citation

Grouchy, R., and R. Buta. "A Photometric and Spectroscopic Study of Non-barred Ringed Galaxies." Proceedings of the International Astronomical Union, vol. 2, no. S235, 2006, p. 100, https://doi.org/10.1017/S1743921306005357.