APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Checkland, Peter. Systems Thinking, Systems Practice. Chichester [u.a.]: Wiley, 1981.

MLA (9th ed.) Citation

Checkland, Peter. Systems Thinking, Systems Practice. Wiley, 1981.

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