Cita APA (7a ed.)

Casalis, G., & Brown, R. M. (1964). Portrait of Karl Barth (Anchor Books ed.). Doubleday & Company.

Cita Chicago Style (17a ed.)

Casalis, Georges, y Robert McAfee Brown. Portrait of Karl Barth. Anchor Books ed. Garden City, New York: Doubleday & Company, 1964.

Cita MLA (9a ed.)

Casalis, Georges, y Robert McAfee Brown. Portrait of Karl Barth. Anchor Books ed. Doubleday & Company, 1964.