Hale, F. (2004). Debating Toynbee's theory of challenge and response: Christian civilisation or Western imperialism? Acta theologica, 24(2), 23-44.
Citazione stile Chigago Style (17a edizione)Hale, Frederick. "Debating Toynbee's Theory of Challenge and Response: Christian Civilisation or Western Imperialism?" Acta Theologica 24, no. 2 (2004): 23-44.
Citatione MLA (8a ed.)Hale, Frederick. "Debating Toynbee's Theory of Challenge and Response: Christian Civilisation or Western Imperialism?" Acta Theologica, vol. 24, no. 2, 2004, pp. 23-44.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.