Cita APA (7a ed.)

Thagard, P. (1992). Conceptual revolutions. Princeton University Press.

Cita Chicago Style (17a ed.)

Thagard, Paul. Conceptual Revolutions. Princeton, N.J.: Princeton University Press, 1992.

Cita MLA (8a ed.)

Thagard, Paul. Conceptual Revolutions. Princeton University Press, 1992.