Citazione Stile APA (7a Edizione)

Baali, F. (1978). Heinrich Simon: Ibn Khaldun's science of human culture. Sh. Muhammad Ashraf.

Citazione stile Chigago Style (17a edizione)

Baali, Fuad. Heinrich Simon: Ibn Khaldun's Science of Human Culture. Lahore: Sh. Muhammad Ashraf, 1978.

Citatione MLA (9a ed.)

Baali, Fuad. Heinrich Simon: Ibn Khaldun's Science of Human Culture. Sh. Muhammad Ashraf, 1978.