Citazione Stile APA (7a Edizione)

Schwarz, B., Svedin, U., & Wittrock, B. (1982). Methods in futures studies: Problems and appalication. Westview Press.

Citazione stile Chigago Style (17a edizione)

Schwarz, Brita, Uno Svedin, e Björn Wittrock. Methods in Futures Studies: Problems and Appalication. Boulder: Westview Press, 1982.

Citatione MLA (9a ed.)

Schwarz, Brita, et al. Methods in Futures Studies: Problems and Appalication. Westview Press, 1982.