Cita APA (7th ed.)

Churchland, P. M., & Churchland, P. S. (1998). On the contrary: Critical essays, 1987-1997. The Mit Press.

Cita Chicago (17th ed.)

Churchland, Paul M., i Patricia S. Churchland. On the Contrary: Critical Essays, 1987-1997. Londres: The Mit Press, 1998.

Cita MLA (9th ed.)

Churchland, Paul M., i Patricia S. Churchland. On the Contrary: Critical Essays, 1987-1997. The Mit Press, 1998.