Paul, E. F., Miller, F. D., & Paul, J. (1990). Foundations of moral and political philosophy. Basil Blackwell.
Citazione stile Chigago Style (17a edizione)Paul, Ellen Frankel, Fred D. Miller, e Jeffrey Paul. Foundations of Moral and Political Philosophy. Oxford: Basil Blackwell, 1990.
Citatione MLA (9a ed.)Paul, Ellen Frankel, et al. Foundations of Moral and Political Philosophy. Basil Blackwell, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.