Sources of humic-like substances (HULIS) in PM2.5 in Beijing: Receptor modeling approach.

MLA

Li, Xinghua, et al. “Sources of Humic-like Substances (HULIS) in PM2.5 in Beijing: Receptor Modeling Approach.” Science of the Total Environment, vol. 671, June 2019, pp. 765–75. EBSCOhost, https://doi.org/10.1016/j.scitotenv.2019.03.333.

APA

Li, X., Yang, K., Han, J., Ying, Q., & Hopke, P. K. (2019). Sources of humic-like substances (HULIS) in PM2.5 in Beijing: Receptor modeling approach. Science of the Total Environment, 671, 765–775. https://doi.org/10.1016/j.scitotenv.2019.03.333

Chicago

Li, Xinghua, Kaiqiang Yang, Junzan Han, Qi Ying, and Philip K. Hopke. 2019. “Sources of Humic-like Substances (HULIS) in PM2.5 in Beijing: Receptor Modeling Approach.” Science of the Total Environment 671 (June): 765–75. doi:10.1016/j.scitotenv.2019.03.333.