O'LEARY, D. L. (1939). Arabic thought and its place in history. Routledge and Kegan Paul.
Citazione stile Chigago Style (17a edizione)O'LEARY, De Lacy. Arabic Thought and Its Place in History. London: Routledge and Kegan Paul, 1939.
Citatione MLA (9a ed.)O'LEARY, De Lacy. Arabic Thought and Its Place in History. Routledge and Kegan Paul, 1939.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.