Royal Horticultural Society (Great Britain), Pearson, R., Napier, E., & Brickell, C. (1983). The Wisley book of gardening: A guide for enthusiasts (1st American ed.). Norton.
Chicago Style (17th ed.) CitationRoyal Horticultural Society (Great Britain), Robert Pearson, Elspeth Napier, and Christopher Brickell. The Wisley Book of Gardening: A Guide for Enthusiasts. 1st American ed. New York, N.Y.: Norton, 1983.
MLA (9th ed.) CitationRoyal Horticultural Society (Great Britain), et al. The Wisley Book of Gardening: A Guide for Enthusiasts. 1st American ed. Norton, 1983.
Warning: These citations may not always be 100% accurate.