Cita APA (7a ed.)

Papworth, J., & Egan, E. (1987). The human factor in the global crisis.

Cita Chicago Style (17a ed.)

Papworth, John, y Eileen Egan. The Human Factor in the Global Crisis. 1987.

Cita MLA (8a ed.)

Papworth, John, y Eileen Egan. The Human Factor in the Global Crisis. 1987.