APA (7th ed.) Citation

(1979). The delphi method: Techniques and applications (3. print.). Addison-Wesley.

Chicago Style (17th ed.) Citation

The Delphi Method: Techniques and Applications. 3. print. London [u.a.]: Addison-Wesley, 1979.

MLA (9th ed.) Citation

The Delphi Method: Techniques and Applications. 3. print. Addison-Wesley, 1979.