APA Style
      Wu, L. et al (2021).
    Comprehensive Utilization of Magnesium Slag by Pidgeon Process .
    Singapore:
  Springer Singapore.
  
MLA Style
      Wu, Lan'er. et al.
    "Comprehensive Utilization of Magnesium Slag by Pidgeon Process".
    
    Singapore:
  Springer Singapore,
  2021.
  Text.