APA (7th ed.) Citation

American Horticultural Society & Brickell, C. (2003). American Horticultural Society encyclopedia of gardening (Revised US edition, revised & expanded edition.). DK.

Chicago Style (17th ed.) Citation

American Horticultural Society and Christopher Brickell. American Horticultural Society Encyclopedia of Gardening. Revised US edition, revised & expanded edition. London ; New York: DK, 2003.

MLA (9th ed.) Citation

American Horticultural Society and Christopher Brickell. American Horticultural Society Encyclopedia of Gardening. Revised US edition, revised & expanded edition. DK, 2003.