Cita APA (7a ed.)

Ramsey, I. T. (1963). On being sure in religion. The Althone Press.

Cita Chicago Style (17a ed.)

Ramsey, Ian T. On Being Sure in Religion. London: The Althone Press, 1963.

Cita MLA (9a ed.)

Ramsey, Ian T. On Being Sure in Religion. The Althone Press, 1963.