APA-Zitierstil (7. Ausg.)

Weizsäcker, E. v., Lovins, A. B., & Lovins, L. H. (1997). Factor four: Doubling wealth - halving resource use ; the new report to the Club of Rome. Earthscan.

Chicago-Zitierstil (17. Ausg.)

Weizsäcker, Ernst von, Amory B. Lovins, und L. Hunter Lovins. Factor Four: Doubling Wealth - Halving Resource Use ; the New Report to the Club of Rome. London: Earthscan, 1997.

MLA-Zitierstil (9. Ausg.)

Weizsäcker, Ernst von, et al. Factor Four: Doubling Wealth - Halving Resource Use ; the New Report to the Club of Rome. Earthscan, 1997.