Cita APA (7a ed.)

Parfit, D. (1979). Prudence, morality, and the prisoner's dilemma. Annual philosophical lecture.

Cita Chicago Style (17a ed.)

Parfit, Derek. "Prudence, Morality, and the Prisoner's Dilemma." Annual Philosophical Lecture 1979.

Cita MLA (9a ed.)

Parfit, Derek. "Prudence, Morality, and the Prisoner's Dilemma." Annual Philosophical Lecture, 1979.