MLA

Li, et al. Mucocutaneous Manifestations of Hiv/aids: Early Diagnostic Clues. Springer Singapore, 2020.

APA

Li, L., He, L., Li, Y., & Wang, K. (2020). Mucocutaneous Manifestations of HIV/AIDS: Early Diagnostic Clues. Springer Singapore.

Chicago

Li, Li He, Yu-ye Li, and Kun-hua Wang. Mucocutaneous Manifestations of HIV/AIDS: Early Diagnostic Clues. : Springer Singapore, 2020.