Cita APA (7a ed.)

(1977). The Delphi Method: Techniques and applications. Addison-wesley.

Cita Chicago Style (17a ed.)

The Delphi Method: Techniques and Applications. London: Addison-wesley, 1977.

Cita MLA (9a ed.)

The Delphi Method: Techniques and Applications. Addison-wesley, 1977.