Cita APA (7a ed.)

Arrupe, P., & Harriott, J. (1977). A planet to heal: Reflections and forecasts (2d ed.). International Center for Jesuit Education.

Cita Chicago Style (17a ed.)

Arrupe, Pedro, y John Harriott. A Planet to Heal: Reflections and Forecasts. 2d ed. Rome: International Center for Jesuit Education, 1977.

Cita MLA (8a ed.)

Arrupe, Pedro, y John Harriott. A Planet to Heal: Reflections and Forecasts. 2d ed. International Center for Jesuit Education, 1977.