APA

Greenberg S., Program of Policy Studies in Science and Technology (Washington D. C.), . (1970). Forecasting in international relations. Washington, D. C: George Washington University.

Chicago

Greenberg Stuart, Program of Policy Studies in Science and Technology (Washington D. C.), . 1970. Forecasting in international relations. Washington, D. C: George Washington University.

Harvard

Greenberg S., Program of Policy Studies in Science and Technology (Washington D. C.), . (1970). Forecasting in international relations. Washington, D. C: George Washington University.

MLA

Greenberg Stuart, Program of Policy Studies in Science and Technology (Washington D. C.), . Forecasting in international relations. Washington, D. C: George Washington University. 1970.