Cita APA (7th ed.)

Ramsey, I. T. (1963). On being sure in religion. University of London.

Cita Chicago (17th ed.)

Ramsey, Ian T. On Being Sure in Religion. [London]: University of London, 1963.

Cita MLA (9th ed.)

Ramsey, Ian T. On Being Sure in Religion. University of London, 1963.