Ellens, J. H. (1995). The Collapse of Ancient States and Civilizations. Journal of psychology and christianity, 14(3), 280-281.
Citazione stile Chigago Style (17a edizione)Ellens, J. Harold. "The Collapse of Ancient States and Civilizations." Journal of Psychology and Christianity 14, no. 3 (1995): 280-281.
Citatione MLA (9a ed.)Ellens, J. Harold. "The Collapse of Ancient States and Civilizations." Journal of Psychology and Christianity, vol. 14, no. 3, 1995, pp. 280-281.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
