Cita APA (7a ed.)

Posner, R. A. (2004). Catastrophe: Risk and response. Oxford University Pres.

Cita Chicago Style (17a ed.)

Posner, Richard A. Catastrophe: Risk and Response. Oxford ; New York: Oxford University Pres, 2004.

Cita MLA (9a ed.)

Posner, Richard A. Catastrophe: Risk and Response. Oxford University Pres, 2004.