Cita APA (7a ed.)

Flood, R. L. (1990). Liberating systems theory. Plenum Press.

Cita Chicago Style (17a ed.)

Flood, Robert Louis. Liberating Systems Theory. New York [etc.]: Plenum Press, 1990.

Cita MLA (9a ed.)

Flood, Robert Louis. Liberating Systems Theory. Plenum Press, 1990.