APA (7th ed.) Citation

Mollison, B. C. (1990). Permaculture: A practical guide for a substainable future. Island Press.

Chicago Style (17th ed.) Citation

Mollison, B. C. Permaculture: A Practical Guide for a Substainable Future. Washington, D.C.: Island Press, 1990.

MLA (9th ed.) Citation

Mollison, B. C. Permaculture: A Practical Guide for a Substainable Future. Island Press, 1990.

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