APA (7th ed.) Citation

Royal Horticultural Society & Brickell, C. (2006). The Royal Horticultural Society encyclopedia of plants and flowers (4th ed.). Dorling Kindersley.

Chicago Style (17th ed.) Citation

Royal Horticultural Society and Christopher Brickell. The Royal Horticultural Society Encyclopedia of Plants and Flowers. 4th ed. London: Dorling Kindersley, 2006.

MLA (9th ed.) Citation

Royal Horticultural Society and Christopher Brickell. The Royal Horticultural Society Encyclopedia of Plants and Flowers. 4th ed. Dorling Kindersley, 2006.