Cita APA (7a ed.)

Warfield, J. N. (1976). Societal systems: Planning, policy and complexity. ohn Wiley & Sons.

Cita Chicago Style (17a ed.)

Warfield, John N. Societal Systems: Planning, Policy and Complexity. New York ; London ; Sydney ; Toronto: ohn Wiley & Sons, 1976.

Cita MLA (9a ed.)

Warfield, John N. Societal Systems: Planning, Policy and Complexity. ohn Wiley & Sons, 1976.