Cita APA (7th ed.)

Alan Randall. (2012). Risk and Precaution (1.). Cambridge University Press.

Cita Chicago (17th ed.)

Alan Randall. Risk and Precaution. 1. Cambridge University Press, 2012.

Cita MLA (8th ed.)

Alan Randall. Risk and Precaution. 1. Cambridge University Press, 2012.