Cita APA

Churchman, C. W. 1., & Churchman, C. W. 1. (1979). The systems approach ([edition] rev. and updatedition --.). New York, New York: Delta.

Citación estilo Chicago

Churchman, Charles West 1913-, y Charles West 1913- Churchman. The Systems Approach. [edition] rev. and updatedition --. New York, New York: Delta, 1979.

Cita MLA

Churchman, Charles West 1913-, y Charles West 1913- Churchman. The Systems Approach. [edition] rev. and updatedition --. New York, New York: Delta, 1979.