Cita APA (7a ed.)

Ryle, G., Kolenda, K., & Warnock, G. J. (1979). On thinking. Blackwell.

Cita Chicago Style (17a ed.)

Ryle, Gilbert, Konstantin Kolenda, y G. J. Warnock. On Thinking. Oxford: Blackwell, 1979.

Cita MLA (9a ed.)

Ryle, Gilbert, et al. On Thinking. Blackwell, 1979.