APA (7th ed.) Citation

Cao, X., Chen, Y., Shi, Y., Wang, J., Zhou, Z., Bao, M., . . . Zeng, G. A Dual Active Black Hole Candidate with Mass Ratio ~7: 1 in a Disk Galaxy. IOP Publishing.

Chicago Style (17th ed.) Citation

Cao, Xiao, et al. A Dual Active Black Hole Candidate with Mass Ratio ~7: 1 in a Disk Galaxy. IOP Publishing.

MLA (9th ed.) Citation

Cao, Xiao, et al. A Dual Active Black Hole Candidate with Mass Ratio ~7: 1 in a Disk Galaxy. IOP Publishing.

Warning: These citations may not always be 100% accurate.