APA Style
      Khaldun, Ibnu. (2019).
    Muqaddimah an introduction to the history of the world/Ibnu Khaldun (Cet. 1).
    Jakarta:
  Pustaka Firdaus.
  
Chicago Style
      Khaldun, Ibnu.
    Muqaddimah an introduction to the history of the world/Ibnu Khaldun.
    Cet. 1
    Jakarta:
  Pustaka Firdaus,
  2019.
  Text.
  
MLA Style
      Khaldun, Ibnu.
    Muqaddimah an introduction to the history of the world/Ibnu Khaldun.
    Cet. 1
    Jakarta:
  Pustaka Firdaus,
  2019.
  Text.
  
Turabian Style
      Khaldun, Ibnu.
    Muqaddimah an introduction to the history of the world/Ibnu Khaldun.
    Cet. 1 
    Jakarta:
  Pustaka Firdaus,
  2019.
  Print.