APA (7th ed.) Citation

Checkland, P. (1981). Systems thinking, systems practice. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Checkland, Peter. Systems Thinking, Systems Practice. Chichester [etc.]: John Wiley & Sons, 1981.

MLA (9th ed.) Citation

Checkland, Peter. Systems Thinking, Systems Practice. John Wiley & Sons, 1981.

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