Cita APA (7th ed.)

Wills, G. (1972). Technological forecasting: The art and its managerial implications. Penguin Books.

Cita Chicago (17th ed.)

Wills, Gordon. Technological Forecasting: The Art and Its Managerial Implications. Harmondsworth, Middlesex, England: Penguin Books, 1972.

Cita MLA (9th ed.)

Wills, Gordon. Technological Forecasting: The Art and Its Managerial Implications. Penguin Books, 1972.