APA (7th ed.) Citation

Boardman, J., & Sauser, B. (2008). Systems thinking: Coping with 21st century problems. Taylor & Francis.

Chicago Style (17th ed.) Citation

Boardman, John, and Brian Sauser. Systems Thinking: Coping with 21st Century Problems. Boca Raton: Taylor & Francis, 2008.

MLA (9th ed.) Citation

Boardman, John, and Brian Sauser. Systems Thinking: Coping with 21st Century Problems. Taylor & Francis, 2008.