Cita APA (7a ed.)

Lewis, C. S. (1961). Reflections on the psalms. Collins.

Cita Chicago Style (17a ed.)

Lewis, C. S. Reflections on the Psalms. London: Collins, 1961.

Cita MLA (9a ed.)

Lewis, C. S. Reflections on the Psalms. Collins, 1961.