Cita APA (7th ed.)

Paul, E. F., Miller, F. D., & Paul, J. (1990). Foundations of moral and political philosophy. Basil Blackwell.

Cita Chicago (17th ed.)

Paul, Ellen Frankel, Fred D. Miller, i Jeffrey Paul. Foundations of Moral and Political Philosophy. Oxford: Basil Blackwell, 1990.

Cita MLA (9th ed.)

Paul, Ellen Frankel, et al. Foundations of Moral and Political Philosophy. Basil Blackwell, 1990.