APA (7th ed.) Citation

Li, S., Ning, X., Ma, Y., Tang, Y., & Bian, W. (2025). The virial factor $f$ of the H$β$ Broad-line for NGC 5548 and NGC 4151.

Chicago Style (17th ed.) Citation

Li, Shao-Jun, Xiang-Wei Ning, Yan-Song Ma, Yi Tang, and Wei-Hao Bian. The Virial Factor $f$ of the H$β$ Broad-line for NGC 5548 and NGC 4151. 2025.

MLA (9th ed.) Citation

Li, Shao-Jun, et al. The Virial Factor $f$ of the H$β$ Broad-line for NGC 5548 and NGC 4151. 2025.