Cita APA (7th ed.)

Loye, D. (1978). The knowable future: A psychology of forecasting and prophecy. Wiley.

Cita Chicago (17th ed.)

Loye, David. The Knowable Future: A Psychology of Forecasting and Prophecy. New York: Wiley, 1978.

Cita MLA (8th ed.)

Loye, David. The Knowable Future: A Psychology of Forecasting and Prophecy. Wiley, 1978.