Cita APA (7a ed.)

Joyce, R., & Kirchin, S. (2010). A world without values: Essays on John Mackie's moral error theory (1st ed. 2010.). Springer.

Cita Chicago Style (17a ed.)

Joyce, Richard, y Simon Kirchin. A World Without Values: Essays on John Mackie's Moral Error Theory. 1st ed. 2010. Dordrecht [etc.]: Springer, 2010.

Cita MLA (9a ed.)

Joyce, Richard, y Simon Kirchin. A World Without Values: Essays on John Mackie's Moral Error Theory. 1st ed. 2010. Springer, 2010.