APA (7th ed.) Citation

Zheng, W., Burbridge, E. M., & Smith, H. E. (1990). Broad forbidden Ne III line emission and intermediate-density gas around QSO nuclei. Publications of the Astronomical Society of the Pacific, 102, 497. https://doi.org/10.1086/132663

Chicago Style (17th ed.) Citation

Zheng, Wei, E. Margaret Burbridge, and Harding E. Smith. "Broad Forbidden Ne III Line Emission and Intermediate-density Gas Around QSO Nuclei." Publications of the Astronomical Society of the Pacific 102 (1990): 497. https://doi.org/10.1086/132663.

MLA (9th ed.) Citation

Zheng, Wei, et al. "Broad Forbidden Ne III Line Emission and Intermediate-density Gas Around QSO Nuclei." Publications of the Astronomical Society of the Pacific, vol. 102, 1990, p. 497, https://doi.org/10.1086/132663.