Shein, C., & Thompson, J. (2013). The vegetable gardener's guide to permaculture: Creating an edible ecosystem (First edition.). Timber Press.
Chicago Style (17th ed.) CitationShein, Christopher, and Julie Thompson. The Vegetable Gardener's Guide to Permaculture: Creating an Edible Ecosystem. First edition. Portland, Or.: Timber Press, 2013.
MLA (9th ed.) CitationShein, Christopher, and Julie Thompson. The Vegetable Gardener's Guide to Permaculture: Creating an Edible Ecosystem. First edition. Timber Press, 2013.
Warning: These citations may not always be 100% accurate.