Callahan, D. (1972). An Invitation to Membership. The Hastings Center report, 2(2), 3. doi:10.2307/3561194
Citazione stile Chigago Style (17a edizione)Callahan, Daniel. "An Invitation to Membership." The Hastings Center Report 2, no. 2 (1972): 3, https://doi.org/10.2307/3561194.
Citatione MLA (9a ed.)Callahan, Daniel. "An Invitation to Membership." The Hastings Center Report, vol. 2, no. 2, 1972, p. 3, https://doi.org/10.2307/3561194.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
