APA-viite (7. p.)

Cafaro, P., & Sandler, R. (2010). Virtue ethics and the environment. Springer.

Chicago-viite (17. p.)

Cafaro, Philip, ja Ronald Sandler. Virtue Ethics and the Environment. Dordrecht: Springer, 2010.

MLA-viite (9. p.)

Cafaro, Philip, ja Ronald Sandler. Virtue Ethics and the Environment. Springer, 2010.