Hlm Software Citation -

Raudenbush, S. W., Bryk, A. S., Cheong, Y. F., Congdon, R. T., & du Toit, M. (2019). HLM 8 for Windows [Computer software]. Scientific Software International, Inc. Chicago Style

Depending on the style guide you are using, the citation will look slightly different. Most researchers use APA style for HLM. APA 7th Edition (Raudenbush et al., 2019) Hlm Software Citation

When writing your "Methods" or "Data Analysis" section, don't just put the citation in the bibliography. State clearly: "Multilevel modeling was conducted using HLM 8.0 (Raudenbush et al., 2019) to account for the nested structure of the data." Raudenbush, S