Cita APA (7a ed.)

Mattheck, C. (2011). Thinking tools after nature. Inst. of Technology, Campus North.

Cita Chicago Style (17a ed.)

Mattheck, C. Thinking Tools After Nature. Karlsruhe: Inst. of Technology, Campus North, 2011.

Cita MLA (9a ed.)

Mattheck, C. Thinking Tools After Nature. Inst. of Technology, Campus North, 2011.