APA (7th ed.) Citation

Checkland, P., & Scholes, J. (1990). Soft systems methodology in action. Wiley.

Chicago Style (17th ed.) Citation

Checkland, Peter, and Jim Scholes. Soft Systems Methodology in Action. Chichester, West Sussex, England : New York: Wiley, 1990.

MLA (9th ed.) Citation

Checkland, Peter, and Jim Scholes. Soft Systems Methodology in Action. Wiley, 1990.