Cita APA (7a ed.)

Keeling, M. (1990). The foundations of Christian ethics. T. & T. Clark.

Cita Chicago Style (17a ed.)

Keeling, Michael. The Foundations of Christian Ethics. Edinburgh: T. & T. Clark, 1990.

Cita MLA (9a ed.)

Keeling, Michael. The Foundations of Christian Ethics. T. & T. Clark, 1990.