Cita APA (7a ed.)

Singleton, W. T. (1987). Risk and decisions. Wiley.

Cita Chicago Style (17a ed.)

Singleton, William T. Risk and Decisions. Chichester [u.a.]: Wiley, 1987.

Cita MLA (9a ed.)

Singleton, William T. Risk and Decisions. Wiley, 1987.