Cita APA (7a ed.)

Sackman, H. (1975). Delphi critique: Expert opinion, forecasting, and group process. Lexington Books.

Cita Chicago Style (17a ed.)

Sackman, Harold. Delphi Critique: Expert Opinion, Forecasting, and Group Process. Lexington, Mass [u.a.]: Lexington Books, 1975.

Cita MLA (9a ed.)

Sackman, Harold. Delphi Critique: Expert Opinion, Forecasting, and Group Process. Lexington Books, 1975.