Cita APA (7a ed.)

Schweitzer, A., & Campion, C. T. (1946). Civilization and ethics (3rd ed.). A. & C. Black.

Cita Chicago Style (17a ed.)

Schweitzer, Albert, y C. T. Campion. Civilization and Ethics. 3rd ed. London: A. & C. Black, 1946.

Cita MLA (8a ed.)

Schweitzer, Albert, y C. T. Campion. Civilization and Ethics. 3rd ed. A. & C. Black, 1946.