Douglas, W. (1987). Hillside gardening: Evaluating the site, designing views,planting slopes. Simon & Schuster.
Chicago Style (17th ed.) CitationDouglas, William. Hillside Gardening: Evaluating the Site, Designing Views,planting Slopes. New York: Simon & Schuster, 1987.
MLA (9th ed.) CitationDouglas, William. Hillside Gardening: Evaluating the Site, Designing Views,planting Slopes. Simon & Schuster, 1987.
Warning: These citations may not always be 100% accurate.