Cita APA (7a ed.)

Goldberg, S., & Pessin, A. (1997). Gray matters: An introduction to the philosophy of mind. Sharpe.

Cita Chicago Style (17a ed.)

Goldberg, Sanford, y Andrew Pessin. Gray Matters: An Introduction to the Philosophy of Mind. Armonk, N.Y.: Sharpe, 1997.

Cita MLA (9a ed.)

Goldberg, Sanford, y Andrew Pessin. Gray Matters: An Introduction to the Philosophy of Mind. Sharpe, 1997.