Land, K. C., & Schneider, S. H. (1987). Forward. In K. C. Land & S. H. Schneider (Eds.), Forecasting in the Social and Natural Sciences (pp. 1–3). Boston, MA: D. Reidel Publishing Company.

Land, K. C., and S. H. Schneider. “Forward.” In Forecasting in the Social and Natural Sciences, edited by K. C. Land and S. H. Schneider, 1–3. Boston, MA: D. Reidel Publishing Company, 1987.

Land KC, Schneider SH. Forward. In: Land KC, Schneider SH, editors. Forecasting in the Social and Natural Sciences. Boston, MA: D. Reidel Publishing Company; 1987. p. 1–3.

Land, K. C., and S. H. Schneider. “Forward.” Forecasting in the Social and Natural Sciences, edited by K. C. Land and S. H. Schneider, D. Reidel Publishing Company, 1987, pp. 1–3.

Land KC, Schneider SH. Forward. In: Land KC, Schneider SH, editors. Forecasting in the Social and Natural Sciences. Boston, MA: D. Reidel Publishing Company; 1987. p. 1–3.