Joyce, R. N. (2004). The Winterthur guide to color in your garden: Plant combinations and practical advice from the Winterthur Garden. Winterthur Publications.
Chicago Style (17th ed.) CitationJoyce, Ruth N. The Winterthur Guide to Color in Your Garden: Plant Combinations and Practical Advice from the Winterthur Garden. Winterthur, Del.: Winterthur Publications, 2004.
MLA (9th ed.) CitationJoyce, Ruth N. The Winterthur Guide to Color in Your Garden: Plant Combinations and Practical Advice from the Winterthur Garden. Winterthur Publications, 2004.
Warning: These citations may not always be 100% accurate.