APA (7th ed.) Citation

Wilson, B. (2001). Soft systems methodology: Conceptual model building and its contribution. John Wiley and Sons.

Chicago Style (17th ed.) Citation

Wilson, Brian. Soft Systems Methodology: Conceptual Model Building and Its Contribution. Chichester: John Wiley and Sons, 2001.

MLA (9th ed.) Citation

Wilson, Brian. Soft Systems Methodology: Conceptual Model Building and Its Contribution. John Wiley and Sons, 2001.