Cita APA (7a ed.)

Ascher, W. (1979). Forecasting: An appraisal for policy-makers and planners (2. print.). The Johns Hopkins Univ. Pr.

Cita Chicago Style (17a ed.)

Ascher, William. Forecasting: An Appraisal for Policy-makers and Planners. 2. print. Baltimore: The Johns Hopkins Univ. Pr, 1979.

Cita MLA (9a ed.)

Ascher, William. Forecasting: An Appraisal for Policy-makers and Planners. 2. print. The Johns Hopkins Univ. Pr, 1979.