APA način citiranja (7. izdanje)

Polak, F. L., & Boulding, E. (1973). The image of the future. Elsevier Scientific Pub.

Čikaški stil citiranja (17. izdanje)

Polak, Frederik Lodewijk, i Elise Boulding. The Image of the Future. Amsterdam: Elsevier Scientific Pub, 1973.

MLA način citiranja (9. izdanje)

Polak, Frederik Lodewijk, i Elise Boulding. The Image of the Future. Elsevier Scientific Pub, 1973.