Cita APA (7a ed.)

Ayer, A. J. (1972). Probality and evidence. Macmillan.

Cita Chicago Style (17a ed.)

Ayer, A. J. Probality and Evidence. London: Macmillan, 1972.

Cita MLA (9a ed.)

Ayer, A. J. Probality and Evidence. Macmillan, 1972.