Cita APA

Harnden, R., & Espejo, R. (1989). The viable system model: Interpretations and applications of Stafford Beer's VSM ([repr. 92].). Chichester [etc.]: John Wiley & Sons.

Citación estilo Chicago

Harnden, Roger, and Raul Espejo. The Viable System Model: Interpretations and Applications of Stafford Beer's VSM. [repr. 92]. Chichester [etc.]: John Wiley & Sons, 1989.

Cita MLA

Harnden, Roger, and Raul Espejo. The Viable System Model: Interpretations and Applications of Stafford Beer's VSM. [repr. 92]. Chichester [etc.]: John Wiley & Sons, 1989.