Cita APA (7a ed.)

Hursthouse, R. (1991). Virtue theory and abortion. Philosophy & public affairs, 20(3), 223-244.

Cita Chicago Style (17a ed.)

Hursthouse, R. "Virtue Theory and Abortion." Philosophy & Public Affairs 20, no. 3 (1991): 223-244.

Cita MLA (8a ed.)

Hursthouse, R. "Virtue Theory and Abortion." Philosophy & Public Affairs, vol. 20, no. 3, 1991, pp. 223-244.