Cita APA (7a ed.)

Barfield, O. ., Lewis, C. S., & Tennyson, G. (1989). Owen Barfield on C.S. Lewis ([1st ed.].). Wesleyan University Press.

Cita Chicago Style (17a ed.)

Barfield, Owen , C. S. Lewis, y G.B Tennyson. Owen Barfield on C.S. Lewis. [1st ed.]. Middletown: Wesleyan University Press, 1989.

Cita MLA (9a ed.)

Barfield, Owen , et al. Owen Barfield on C.S. Lewis. [1st ed.]. Wesleyan University Press, 1989.