Cita APA (7a ed.)

Norman, C. (1978). Soft technologies, hard choices. Worldwatch Institute.

Cita Chicago Style (17a ed.)

Norman, Colin. Soft Technologies, Hard Choices. Washington, DC: Worldwatch Institute, 1978.

Cita MLA (9a ed.)

Norman, Colin. Soft Technologies, Hard Choices. Worldwatch Institute, 1978.