Citazione Stile APA (7a Edizione)

Beres, L. R., & Targ, H. R. (1975). Planning alternative world futures: Values, methods, and models. Prager Pub.

Citazione stile Chigago Style (17a edizione)

Beres, Louis Rene, e Harry R. Targ. Planning Alternative World Futures: Values, Methods, and Models. New York: Prager Pub, 1975.

Citatione MLA (9a ed.)

Beres, Louis Rene, e Harry R. Targ. Planning Alternative World Futures: Values, Methods, and Models. Prager Pub, 1975.