APA (7th ed.) Citation

Linstone, H. A. (1975). The delphi method: Techniques and applications. Addison-Wesley.

Chicago Style (17th ed.) Citation

Linstone, Harold A. The Delphi Method: Techniques and Applications. London: Addison-Wesley, 1975.

MLA (9th ed.) Citation

Linstone, Harold A. The Delphi Method: Techniques and Applications. Addison-Wesley, 1975.