Aagaard, J. (1982). The soft age has come. Missiology, 10(3), 263-277.
Citazione stile Chigago Style (17a edizione)Aagaard, Johannes. "The Soft Age Has Come." Missiology 10, no. 3 (1982): 263-277.
Citatione MLA (9a ed.)Aagaard, Johannes. "The Soft Age Has Come." Missiology, vol. 10, no. 3, 1982, pp. 263-277.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.