Gaya APA
      Wu, Z. et al (2009).
    Synthesis of high-quality graphene with a pre-determined number of layers .
    London:
  Elsevier Ltd..
  
Gaya MLA
      Wu, Zhong-Shuai. et al.
    "Synthesis of high-quality graphene with a pre-determined number of layers".
    
    London:
  Elsevier Ltd.,
  2009.
  e-journal.