APA Style
      Speight, James G.. (2007).
    Chemistry and technology of petroleum (Ed. 4).
    New York:
  Sciene-Research Associates.
  
Chicago Style
      Speight, James G..
    Chemistry and technology of petroleum.
    Ed. 4
    New York:
  Sciene-Research Associates,
  2007.
  Buku Teks.
  
MLA Style
      Speight, James G..
    Chemistry and technology of petroleum.
    Ed. 4
    New York:
  Sciene-Research Associates,
  2007.
  Buku Teks.
  
Turabian Style
      Speight, James G..
    Chemistry and technology of petroleum.
    Ed. 4 
    New York:
  Sciene-Research Associates,
  2007.
  Buku Teks.