Cita APA (7a ed.)

Attfield, R. (1995). Value, obligation, and meta-ethics. Rodopi.

Cita Chicago Style (17a ed.)

Attfield, Robin. Value, Obligation, and Meta-ethics. Amsterdam ; Atlanta, GA: Rodopi, 1995.

Cita MLA (9a ed.)

Attfield, Robin. Value, Obligation, and Meta-ethics. Rodopi, 1995.