Cita APA (7a ed.)

Prior, A. N., Geach, P. T., & Kenny, A. J. P. (1971). Objects of thought. Clarendon.

Cita Chicago Style (17a ed.)

Prior, A. N., P. T. Geach, y Anthony John Patrick Kenny. Objects of Thought. Oxford: Clarendon, 1971.

Cita MLA (9a ed.)

Prior, A. N., et al. Objects of Thought. Clarendon, 1971.