APA (7th ed.) Citation

Checkland. (1999). Soft systems methodology in action: A 30-year retrospective. Wiley.

Chicago Style (17th ed.) Citation

Checkland. Soft Systems Methodology in Action: A 30-year Retrospective. Chichester: Wiley, 1999.

MLA (9th ed.) Citation

Checkland. Soft Systems Methodology in Action: A 30-year Retrospective. Wiley, 1999.

Warning: These citations may not always be 100% accurate.