APA (7th ed.) Citation

Hynes, R., Charles, P., van Zyl, L., Barnes, A., Steeghs, D., O'Brien, K., & Casares, J. (2004). Spectroscopy of the optical counterpart to Ser X-1.

Chicago Style (17th ed.) Citation

Hynes, R., P. Charles, L. van Zyl, A. Barnes, D. Steeghs, K. O'Brien, and J. Casares. Spectroscopy of the Optical Counterpart to Ser X-1. 2004.

MLA (9th ed.) Citation

Hynes, R., et al. Spectroscopy of the Optical Counterpart to Ser X-1. 2004.