Cita APA (7a ed.)

MacKillop, A. (1975). Why soft technology?: Alternative solutions to the energy crisis. Methuen & Co.

Cita Chicago Style (17a ed.)

MacKillop, Andrew. Why Soft Technology?: Alternative Solutions to the Energy Crisis. Londres, Reino Unido: Methuen & Co, 1975.

Cita MLA (9a ed.)

MacKillop, Andrew. Why Soft Technology?: Alternative Solutions to the Energy Crisis. Methuen & Co, 1975.